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Defense Products Catalog — Page 125

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MK Ballistic Systems 12 gauge Quadrangle
Ammunition, Missiles and precision weaponsAmmunition, Missiles and precision weapons
United States
MK Ballistic Systems 12 gauge Quadrangle
Synonyms none Armament Suitably chambered 12 gauge shotguns. Development By MK Ballistic Systems to provide a shotgun round for Close Quarters Battle (CQB) applications where standard 00 buckshot is either not effective or has limited effectiveness. Description The QB-8 round is a direct substitute for standard 00 buckshot and is intended for applications where standard lead 00 buckshot is not effective or has limited effectiveness. The standard lead 7.65 mm buckshot pellets are replaced by hardened steel wedges with six pointed corners, seven sharp edges and five flat surfaces on each. The design of these pellets coupled with the hardness of the metal make them very effective against soft body armour and light metal armour. Whereas standard pellets use kinetic energy to punch through hard targets, the QB-8 hardened steel wedges cut their way through. The pellets are carried inside a plastic sleeve to prevent damage to shotgun barrels. The QB-8 round will defeat automobile safety glass with sufficient energy remaining to completely pierce a 12.7 mm thick plywood sheet. The QB-8 will defeat NIJ Level IIA body armour with sufficient residual energy to penetrate over 100 mm of ballistic gelatin. Although the QB-8 performs well against hard targets at close range, the design of the wedge-shaped pellets cause the pellet pattern to spread at ranges beyond 25 m, which is the extreme effective range of this round. The shell case is international orange colour and is marked as to type in large black letters. UNITED STATES OF AMERICA Manufacturer MK Ballistic Systems 2702 Santa Ana Valley Road Hollister, California 95023 USA Tel: (+1 831) 636 15 04 Fax: +1 (831) 636 86 57 Web: http://www.mkballistics.comRead More
MK Ballistic Systems QB-Slug 12 gauge
Ammunition, Missiles and precision weaponsAmmunition, Missiles and precision weapons
United States
MK Ballistic Systems QB-Slug 12 gauge
Synonyms none Armament Suitably chambered 12 gauge shotguns. Development By MK Ballistic Systems to provide a shotgun shell capable of penetrating lightly armoured vehicles and equipment. Description The QB-Slug is specifically designed to disable light vehicles, aircraft, boats and other matériel through the use of preformed fragmentation. The QB-Slug fires a slug containing eight hardened steel wedges similar in design to those of the QB-8 buckshot round. The wedges are carried to the target in a plastic sabot that protects the shotgun barrel and holds the wedges as a unit until the projectile penetrates the target. The QB-slug travels intact to its target, penetrates and then releases its hardened steel wedges inside. Once inside, the steel wedges cut wires and perforate or sever vital components. The spread of wedges ranges from 1,270 to 3,810 mm after penetrating the target, thus optimising the chances of destroying vital internal components. The stacked column of steel wedges acts as a single slug as it penetrates, thus providing significant penetration prior to break-up. In testing, QB-Slug rounds have penetrated 10 mm mild steel plates at angles as acute as 45º. When used as an antipersonnel round, the QB-Slug will result in eight separate wound paths in a circular pattern centered on the point of impact. Although the QB-Slug round can be fired from smoothbore shotguns, a rifled bore shotgun is recommended for use against targets at ranges greater than 50 m. The plastic shell case is international orange in colour and marked as to type in black. UNITED STATES OF AMERICA Manufacturer MK Ballistic Systems 2702 Santa Ana Valley Road Hollister, California 95023 USA Tel: (+1 831) 636 15 04 Fax: (+1 831) 636 86 57 Web: http://www.mkballistics.comRead More
MK Ballistics Flexible Baton-12 12 gauge less than
Ammunition, Missiles and precision weaponsAmmunition, Missiles and precision weapons
United States
MK Ballistics Flexible Baton-12 12 gauge less than
Synonyms none Armament Suitably chambered 12 gauge shotguns. Development By MK Ballistic Systems to provide a family of less than lethal bag-type baton rounds for use in civil disturbances, prisoner control, peacekeeping operations and similar situations. Description There are two types of Flexible Baton-12 rounds, standard velocity and close-range versions. Each is for use depending upon the range to the target. The plastic shell case of both rounds is transparent to give the user a visual confirmation of the type of round. The bags of each round are colour coded to indicate either green for close range, or red for standard rounds. Like similar rounds by other manufacturers, the MK Ballistics bag type rounds can be lethal under certain conditions. These rounds are especially dangerous if fired at an individual's head. According to the manufacturer, close range shells should not be fired at a human torso, but at the legs of persons at ranges closer than 3 m. Standard velocity shells should be fired at the legs of individuals at ranges of 10 m or less. The bags are filled with fine lead shot and are identical other than colour. When used in cylinder bore shotguns, the bags can be expected to impact within a 152 mm circle at 15 m. Specifications (close-range figures in parentheses) Calibre: 12 gauge Round length: 70 mm Rim diameter: 22 mm Projectile weight : 40 g Muzzle velocity : 91 m/s (70 m/s) Muzzle energy: 162 J (108 J) Max range: 30 m (15.4 m) Max effective range: 9-25 m (3-12 m) UNITED STATES OF AMERICA Manufacturer MK Ballistic Systems 2702 Santa Ana Valley Road Hollister, California 95023 USA Tel: (+1 831) 636 15 04 Fax: (+1 831) 636 86 57 Web: http://www.mkballistics.comRead More
25 mm Objective Crew Served Weapon (OCSW)
Ammunition, Missiles and precision weaponsAmmunition, Missiles and precision weapons
United States
25 mm Objective Crew Served Weapon (OCSW)
Armament Objective Crew Served Weapon (OCSW) Development By Primex Technologies to satisfy the US Military OCSW program requirements. Description There are three types of grenade in development for the Objective Crew Served Weapon (OCSW) System: High Explosive (HE), anti-armour and Training Practice (TP). All three rounds are ballistically matched over the entire effective range of the OCSW. The HE round is of the fragmenting airburst type and is derived from the 20 mm Objective Individual Combat Weapon ( OICW ) grenade. The projectile is programmed for range and height of burst by the system fire control as it is launched. The warhead is prescored for uniformity of fragment size and weight and is filled with LX-14 high explosive. Fuzing is electronic and incorporates automatic muzzle velocity correction, along with point detonation and self-destruct capabilities. The anti-armour round utilises a shaped charge of approximately 20 mm diameter for terminal effects and is claimed to be capable of defeating 51 mm of Rolled Homogenous Armour (RHA) in its current configuration, with 51 mm of High Hardness Armour (HHA) as a desired goal. The fuse of the anti-armour round is of the Point Initiating, Base Detonating (PIBD) type. The filler of the anti-armour round is probably RDX. The training practice round is inert. The cartridge casing is aluminium and is of the belted type. It incorporates generally standard `off the shelf' components in its construction, including standard military ball powder, standard primers and a M100 detonator. Manufacturer Primex TechnologiesRead More
Rheinmetall DeTec 120 mm APFSDS-T DM 33A1
Ammunition, Missiles and precision weaponsAmmunition, Missiles and precision weapons
United States
Rheinmetall DeTec 120 mm APFSDS-T DM 33A1
Armament Rheinmetall Detec120 mm Smoothbore Guns used on the Leopard 2 and Leopard L1A1A1 (prototype); Japanese Type 90; South Korean K1A1 . M256 Cannon used on M1A1 and M1A2 Abrams MBTs. This round can also be fired from the Otobreda 120 mm Smoothbore Gun, the Swiss 120 mm Compact Gun, the Giat Industries 120 mm Smoothbore Guns G1 and F1, and the Israel Military Industries ( IMI ) MG251 120 mm Smoothbore Gun. Development Development of what was to become the Rheinmetall DeTec 120 mm L/44 and L/55 Smoothbore Guns began in 1964, although it was not until 1974 that the first hardware trials took place. Series production began in 1979 for the Leopard 2 MBT . In 1978, the L/44 gun was adopted by the US Army as the M256 Cannon for the M1A1 Abrams MBT and the later M1A2 . The 120 mm APFSDS-T DM 33 was developed specifically for use with the Rheinmetall Detec Smoothbore Gun and it became the standard German kinetic energy round used with the Leopard 2 . The DM 13 and DM 23 were earlier versions which are no longer produced. The later DM 33A1 is in service with Germany, Netherlands, Italy, Japan and Switzerland, as well as the USA where it was the basis for the M829 APFSDS-T . A more recent model is the Franco-German DM 43A1, the equivalent of the Giat Industries 120 OFL F1 (qv). This was type classified by the German government in January 1996. Variants of this round, modified to suit US safety certification requirements, are produced in the USA by General Dynamics, Ordnance and Tactical Systems (GD-OTS) as the KE-W(E) and KEW-A1 (see separate entry) . Development of the `fourth-generation' 120 mm APFSDS-T DM 53 was completed by Rheinmetall DeTec and Giat Industries of France by the end of 1992 (see following entry). Description The 120 mm DM 33A1 APFSDS-T round is fixed with the projectile assembly secured to the Combustible Cartridge Case (CCC) by a case adaptor ring. The CCC has a steel stub cartridge case base with a silicone rubber sealing ring around the top. A DM 72 or DM 92 electrical primer is secured to the cartridge case base and extends two-thirds of the way up the centre of the CCC. The CCC was developed in collaboration with WNC Nitrochemie GmbH, a Rheinmetall DeTec company (now part of Nitrochemie AG). The projectile assembly consists of a three-part aluminium sabot and a two-piece tungsten penetrator with a tracer element in the steel fin assembly. Sabot obturation is achieved by using a nylon band. The CCC contains 7.6 kg of granular multiperforated propellant in a containment bag which prevents spillage in the event of a rupture of the combustible case walls. Although described as combustible, case ignition does leave the steel base stub intact for ejection from the gun after firing. The DM 43A1 differs from earlier rounds in that the round weight is 19.5 kg, 4 kg of which is the penetrator. Muzzle velocity is 1,740 m/s and chamber pressure 5,500 bar. Modifications have been introduced to the penetrator, sabot and propellant, which is seven-perforation L1/M2400. Penetration performance has been reported as 560 mm of RHA at 2,000 m. The training equivalent for this round is the Rheinmetall DeTec APFSDS-T-TP (LKL) DM 38 or DM 48 - see separate entry for details. Rheinmetall DeTec has also proposed that early production examples of 120 mm APFSDS-T rounds, or rounds that have exceeded their shelf life, could be converted to relatively low-cost FSDS-TP-T training rounds by substituting the tungsten penetrator with an LKL component and replacing the propellant charge after reprocessing. The tungsten penetrator rods involved could be recycled by Rheinmetall. DeTec Authorised fuzes None involved Equivalent rounds UNITED STATES OF AMERICA UNITED STATES OF AMERICA Manufacturer General Dynamics, Ordnance and Land Systems (GD-OTS) Type: 120 mm KE-W(E) Description: Combustible case containing JA-2 propellant manufactured by ArmtecRead More
120 mm APFSDS-T M829
Ammunition, Missiles and precision weaponsAmmunition, Missiles and precision weapons
United States
120 mm APFSDS-T M829
Armament Rheinmetall 120 mm Smoothbore Guns used on the Leopard 2 and Leopard L1A1A1 (prototype); Japanese Type 90; South Korean K1A1 . M256 Cannon used on M1A1 and M1A2 Abrams MBTs. This round can also be fired from the Otobreda 120 mm Smoothbore Gun, the Swiss 120 mm Compact Gun, the Giat Industries 120 mm Smoothbore Guns G1 and F1, and the Israel Military Industries ( IMI ) MG251 120 mm Smoothbore Gun. Development When the US Army adopted the Rheinmetall 120 mm L/44 Smoothbore Gun as its M256 Cannon for the M1A1 Abrams MBT, a decision was taken to develop a Depleted Uranium (DU, also known as staballoy) penetrator to enhance the overall anti-armour performance of the penetrator. As the use of DU penetrators is not permitted in Europe for environmental and other reasons a new penetrator design was undertaken by Honeywell, now Alliant Techsystems Inc (ATK), based on the Rheinmetall original. The first result was the XM827, with a one-piece DU penetrator sheathed in a maraging steel body in place of the German two-piece tungsten design. The XM827 was type classified in early 1983 but accepted as an interim design only, pending the development of the M829 which uses a heavier and longer penetrator, while retaining the original Rheinmetall-derived propulsion unit . The M829 was type classified in late 1984 as a full service round which may normally only be fired in time of war. The M829 projectile was also produced by the Chamberlain Manufacturing Corporation at its Waterloo, Iowa, facility. The M829 is currently out of production. Enhanced versions, the M829A1, M829A2 and M829E3, have been produced - see following entry. Description The 120 mm APFSDS-T M829 round resembles the earlier XM827 but the DU penetrator is heavier and longer and has a higher length-to-diameter ratio. The round is fixed with the projectile assembly secured to the Combustible Cartridge Case (CCC) by a case adaptor ring. The CCC has a steel cartridge case base with a silicone rubber sealing ring around the top. An M215 electrical primer is secured to the cartridge case base and extends some two-thirds of the way up the centre of the CCC. The projectile assembly consists of a subcalibre one-piece DU penetrator 615 mm long and assembled in a four-piece aluminium sabot by grooves. The sabot uses a nylon obturator and a silicone rubber seal at the rear to prevent gas leakage. The penetrator has a six-finned aluminium fin assembly at the rear which also houses a tracer element which burns for 2.5 seconds. A pointed aluminium windshield with a steel tip is fitted to the front. The CCC contains 8.1 kg of granular JA-2 `solventless' propellant, loosely packed in a containment bag which prevents spillage in the event of a rupture of the combustible case walls. Although described as combustible, case ignition does leave the steel base stub intact for ejection from the gun after firing. The muzzle velocity of this round is 1,670 m/s and it is understood to have an effective range of over 3,000 m. Standard armour penetration performance is 540 mm of RHA at 2,000 m. The training equivalent for this round is the M865 TPCSDS-T - see separate entry for details. Authorised fuzes None involved Equivalent rounds UNITED STATES OF AMERICA UNITED STATES OF AMERICA Manufacturer Alliant Techsystems (ATK) Type: APFSDS-T M829 Description: Standard specifications. No longer in production Manufacturer General Dynamics, Ordnance and Tactical Systems (GD-OTS) Type: APFSDS-T M829 Description: Standard specifications. No longer in productionRead More
120 mm APFSDS-T M829A1, M829A2 and M829E3
Ammunition, Missiles and precision weaponsAmmunition, Missiles and precision weapons
120 mm APFSDS-T M829A1, M829A2 and M829E3
Armament Rheinmetall 120 mm Smoothbore Guns used on the Leopard 2 and Leopard L1A1A1 (prototype); Japanese Type 90; South Korean K1A1 . M256 Cannon used on M1A1 and M1A2 Abrams MBTs. These rounds can also be fired from the Otobreda 120 mm Smoothbore Gun, the Swiss 120 mm Compact Gun, the Giat Industries 120 mm Smoothbore Guns G1 and F1, and the Israel Military Industries ( IMI ) MG251 120 mm Smoothbore Gun. Development The 120 mm M829A1 was developed as a replacement for the M829 APFSDS-T. The M829E1 and M829E2 were development models. It was used operationally during Operation Desert Storm, when it received the name `Silver Bullet'. The M829A1 has been out of production since the end of 1993, by which time over 177,000 had been manufactured . An M829A2 version, produced solely by PRIMEX Technologies (now General Dynamics, Ordnance and Tactical Systems (GD-OTS)) was type classified during 1992 and entered low-rate production during 1993. In June 1995, a firm fixed price contract was placed with GD-OTS for the manufacture of 23,278 M829A2 rounds. The order was worth US$5.5 million. The M829A2 is the primary anti-armour 120 mm tank ammunition in service with the US Army. By the beginning of FY98 total procurement had reached 106,000 units. The total for FY98 was 20,000, followed by 3,000 in FY99. The final batch order during FY00 was for 7,000. An M829E3 model was introduced with the objectives of reducing sabot parasitic weight by 20 per cent and increasing muzzle velocity by 10 per cent, both compared to the M829A2. The then PRIMEX Technologies and Alliant Techsystems (ATK) competed for the contract which was awarded to ATK in August 1998. The contract was worth US$30 million and related to the engineering and development of the M829E3. The contract, plus two subsequent production orders, could bring the total contract value to US$127 million by the year 2004. It is intended that the M829E3 will replace all existing M829 models in service with the US armed forces. Compared to past procurements of similar rounds, the number of M829E3 rounds is expected to be limited as it is regarded as an interim response to the arrays of reactive and other armours expected to appear in coming years. Full production, for 5,000 rounds, will commence during FY02, with 5,000 units each year from then onwards until (and including) FY05. For the M829E3 development programme, which will lead to the eventual M829A3, ATK have teamed with Armtec Defense (combustible case), Aerojet GenCorp (DU penetrator) and American Ordnance (loading and packing). ATK's Conventional Munitions Group will carry out design and programme management from its Hopkins, Minnesota, facility. Propellant will be supplied by the Radford Army Ammunition Plant in Radford, Virginia. The Alleghany Ballistics Laboratory, Rocket Center, West Virginia, will fabricate the discarding sabot, together with Alliant's Ferrulmatic Operations in Totowa, New Jersey. The primer and tracer will be prepared at Alliant's Kilgore Operations in Toone, Tennessee. Load and pack operations will be carried out by American Ordnance at the Iowa ammunition plant. It is understood that consideration of a M829E4 variant is in progress. This will probably have an anti-reactive armour capability. Description The 120 mm M829A1 APFSDS-T round is fixed with the projectile assembly secured to the Combustible Cartridge Case (CCC) by a case adaptor ring. The CCC has a steel stub cartridge case base with a silicone rubber sealing ring around the top. An M129 electrical primer is secured to the cartridge case base. The M829A1 subcalibre Depleted Uranium (DU, also known as staballoy) finned projectile weighs 8.165 kg and is described as being redesigned compared to the projectile used with the M829. The projectile has a high length-to-diameter ratio, a steel windshield and is carried in a three-piece aluminium sabot. The length to diameter ratio is 30.4:1 and a diameter of 22 mm . The M829A2 projectile has a revised composite material sabot construction providing a 30 per cent reduction in parasitic weight; it is the first production design to incorporate this innovation. The M829A2 fin assembly is aluminium. With the M829A1 the CCC contains 7.9 kg of JA-2 `solventless' granular multiperforated (19 perforations) propellant in six containment bags, these prevent spillage in the event of a rupture of the combustible case walls. With the M829A2 the CCC has granular JA-2 propellant packed around the base of the insulated M129 primer assembly but the bulk of the propellant load is JA-2 `KERFED' in stick form, total weight being 8.7 kg. On both models case ignition does leave the steel base stub intact for ejection from the gun after firing. An M129 primer is used on both models, with the minimum firing current being 1.25 A at 24 V . For the M829E3, the propellant load of the round will be increased by a process known as the 'propellant pie configuration'. For this propellant slabs or discs arranged around the primer tube and penetrator and perforated to regulate the burn rate. This packing method permits a propellant density increase inside the case of about 25 per cent compared to a normal load. A propellant weight of about 11.3 kg has been forecast. 120 mm APFSDS-T M829A1Read More
120 mm M865 TPCSDS-T
Ammunition, Missiles and precision weaponsAmmunition, Missiles and precision weapons
United States
120 mm M865 TPCSDS-T
Armament Rheinmetall 120 mm Smoothbore Guns used on the Leopard 2 and Leopard L1A1A1 (prototype); Japanese Type 90; South Korean K1A1 . M256 Cannon used on M1A1 and M1A2 Abrams MBTs. This round can also be fired from the Otobreda 120 mm Smoothbore Gun, the Swiss 120 mm Compact Gun, the Giat Industries 120 mm Smoothbore Guns G1 and F1, and the Israel Military Industries ( IMI ) MG251 120 mm Smoothbore Gun. Development The 120 mm M865 TPCSDS-T is the US version of the Rheinmetall DeTec 120 mm APFSDS-T-TP (LKL) DM 38 - see previous entry. It differs from the German original in few respects and operates in exactly the same manner. The M865 was type classified in late 1984. It is produced by General Dynamics, Ordnance and Tactical Systems (GD-OTS) and Alliant Techsystems (ATK), with production by both intended to settle down to a 50:50 cost and quantity basis. The 120 mm TPCSDS-T M865 is used as the training round for the 120 mm APFSDS-T M829 series, with procurement reaching 1,870,000 units by the beginning of FY98. The US splits procurement between Alliant and GD-OTS (the former Primex) under multi-year contracts. Procurement is split 60/40 with the lower bidder getting the larger quantity. Thus, the January 2000 awards purchased 55,000 rounds at US$468.31 from Alliant and 85,000 rounds at US$468.03 from GD-OTS. For the February 2001 awards both firms came in with the same price of US$472.62 and both received orders for 100,000 rounds. Both producers assemble the rounds at the government-owned Iowa Army Ammunition Plant. Description The 120 mm M865 TPCSDS-T round is fixed with the projectile assembly secured to the Combustible Cartridge Case (CCC) by a case adaptor ring. The CCC has a steel cartridge case base with a silicone rubber sealing ring around the top. An M125 electrical primer is secured to the cartridge case base and extends some two-thirds of the way up the centre of the CCC. The M865 is handled, loaded and fired in exactly the same manner as a conventional round. The projectile assembly consists of a 468.5 mm steel rod with a pierced tailcone used for in-flight stabilisation. The steel tailcone also acts as the range reduction component, depending on an established aerodynamic principle referred to in Germany as the Lochkegelleitwerk (pierced tailcone), or LKL. For the LKL principle to operate, the nine holes in the tailcone are accurately machined to a size where, at high velocities, they are aerodynamically open and air can pass through without significant hindrance. As the projectile velocity reduces with range the holes aerodynamically close at a certain velocity. This leads to an increase in drag and the projectile becomes unstable to the point where it will fall to the ground at a maximum range of approximately 7,500 m. This aerodynamic change takes place after the projectile has travelled about 2,000 m. Up to that point the M865 projectile follows the same ballistic trajectory and is as accurate as the normal M829 operational projectile. The result is that range safety traces can be reduced to as little as 8,000 m in place of the 30,000 m plus required for firing ranges where operational M829 series APFSDS-T rounds are fired. The M865 steel projectile is carried in an aluminium three segment discarding sabot assembly secured in a normal CCC. The CCC contains approximately 7.5 kg of M14 granular nitrocellulose multiperforated (19-hole) single-base propellant in a containment bag, which prevents spillage in the event of a rupture of the combustible case walls; the propellant is produced by ATK at the Radford Army Ammunition Plant in Virginia. Although described as combustible, case ignition does leave the steel base stub intact for ejection from the gun after firing. The insulated electrical primer was designed to be cool to the touch following stub case ejection. Muzzle velocity is 1,700 m/s (±12 m/s) and maximum effective range 2,500 m. Authorised fuzes None involved Equivalent rounds UNITED STATES OF AMERICA None involved Equivalent rounds UNITED STATES OF AMERICA UNITED STATES OF AMERICA Manufacturer Alliant Techsystems Inc (ATK) Type: APFSDS-T M829A1 Description: Standard specifications Manufacturer General Dynamics, Ordnance and Tactical Systems (GD-OTS ) Type: APFSDS-T M829A2 Description: Standard specifications Alliant Techsystems Inc (ATK) Type: APFSDS-T M829E3 Description: See text. UNITED STATES OF AMERICA Manufacturer Alliant Techsystems Inc (ATK) Type: TPCSDS-T M865 Description: Standard specifications Manufacturer General Dynamics, Ordnance and Tactical Systems (GD-OTS) Type: TPCSDS-T M865 Description: Standard specificationsRead More
120 mm illumination bomb, XM930/M983
Ammunition, Missiles and precision weaponsAmmunition, Missiles and precision weapons
United States
120 mm illumination bomb, XM930/M983
Armament M120 and M121 120 mm mortars. Development By US Army ARDEC as a material change to the Israeli Visible Illuminating Cartridge. The Infra-Red (IR) version (M983) was type classified as standard in June 2000. The white-light version (XM930) was type classified as limited standard in 1998, but standard classification is not expected until early 2003. Through FY99, 26,000 rounds of both types had been procured, followed by 4,000 in FY00 for US$11.4 million, The FY02 budget funds 2,000 XM930 for US$3.5 million and 2,000 M983 for US$3.5 million. Excluding non-recurring costs the unit price of the XM930 in FY02 is US$1,888, the main components of which are US$381 for the loading, assembly and packing at Pine Bluff Arsenal, US$286 for the projectile metal bodies from Chamberlain, US$276 for the visible-light canister from Crane Army Ammunition Activity, US$140 for the M776 MTSQ fuze from Diehl and US$58 for the parachute assembly from Paranetics Technology. The unit price of the M983 is US$1,939, reflecting a cost of US$316 for the IR light canister. In September 2001, Chamberlain was awarded a contract for development of alternate materials for the projectile body. The current rounds use a two-piece body (front and rear portions) both made of AISI 1090 steel. This particular alloy is susceptible to quench cracking and problems have been encountered with cracked bodies during initial production. The goal of this effort is to qualify a replacement steel with equal or greater strength (minimum 100 KSI yield strength and 12 per cent minimum elongation) that will significantly reduce the potential for quench cracking and improve the machinability of the material and thus reduce cost. Description The round consists of a fuze, propellant charge, fin assembly, ignition cartridge, body of wrought carbon steel, tail cone assembly, illuminating candle, and parachute assembly. The ignition cartridge has a percussion primer and is assembled to the end of the fin assembly. The propellant charge is contained in four horseshoe-shaped felt-fibre containers and assembled around the fin assembly shaft. When the fuze functions it initiates the candle assembly and separates the front and rear projectile segments. A spring located in the rear body ejects the parachute assembly. The two rounds are identical except for the illuminant canister. The XM930 produces white light, while the M983 produces light in the IR spectrum for use with standard night-vision devices.Read More
Projectile, 155 mm: Smoke, WP, M825A1
Ammunition, Missiles and precision weaponsAmmunition, Missiles and precision weapons
United States
Projectile, 155 mm: Smoke, WP, M825A1
Armament M1A1 Cannon for M114/M114A1 Towed Howitzer; M1A2 Cannon for M114A2 Towed Howitzer; M199 Cannon for M198 Towed Howitzer; M126/M126A1 Cannon for M109 Self-propelled Howitzer; M185 Cannon for M109A1 to M109A4 series of self-propelled howitzers; M284 Cannon for M109A5 and M109A6 Paladin self-propelled howitzers; XM2001/XM2002 Crusader AFAS; XM777 Lightweight Towed Howitzer. The 155 mm Smoke WP M825A1 can also be fired from the following artillery weapons: NORICUM GH N-45 Gun-Howitzer; CITEFA CALA 30/2; Patria Vammas M-83 and 155 GH 52 howitzers; Giat Industries TR and 155/52 guns and M114F Howitzer; Field Howitzer FH-70 ; Soltam Model 839P and 845P towed howitzers, M-71 Gun-Howitzer , M-68 Gun-Howitzer, M-46 Field Gun, and M114S Howitzer; Hadid 155 mm Howitzer HM41 ( Iran ); Otobreda 155/39 TM Howitzer; KH179 Howitzer ( South Korea ); RDM M139 and M139/39 howitzers; STK FH-88 and FH-2000 Gun-Howitzers; LIW G5; SITECSA 155/45 ST 012 Gun-Howitzer; SANTA BARBARA SB 155/39 and 155/52 APU SBT-1 Howitzers, M114 155/45 and M114 155/39 conversions; Bofors FH-77B Howitzer; Bison Fortress Gun (Switzerland); T65 Howitzer and Extended Range Gun ( Taiwan ); 155 mm/52-calibre Howitzer ( Turkey ); M46/84 Gun and M65 Howitzer (Federal Republic of Yugoslavia ). The 155 mm Smoke WP M825A1 can also be fired from the self-propelled artillery weapons: TAMSE VCA ( Argentina ); PZL45 ( PRC ); Giat Industries GCT and CAESAR 155/52; PzH 2000 (Germany); M44T (Germany); Soltam Rascal, Slammer and L33; Hadid 155 mm Self-propelled Cannon HM44 Thunder 2 ( Iran ); Otobreda Palmaria and M109L ; Type 75 ( Japan ); K9 Thunder( South Korea ); ZTS ZUZANA ( Slovakia ); LIW G6; SFAW M109 Upgrade (Switzerland); XT-69 ( Taiwan ); SP2000 ( Turkey ); AS90 and Braveheart (UK); UD 155 mm/52-calibre International Howitzer (USA). Development The 155 mm Smoke WP M825A1 was developed to replace the venerable M110 family of WP/Smoke projectiles and is in production by the Thiokol Corporation (metal parts) for the US Army and Marine Corps. It is one of the projectiles developed from the 155 mm DPICM M483A1 projectile and has virtually matching ballistics, although the M825A1 can be fired using the M203 propellant charges. The Smoke WP M825A1 has the advantage over other White Phosphorus (WP) filled smoke projectiles in that it does not need to be stored base down, as is usually the case with WP projectiles, as the saturated felt wedges utilised for the smoke production prohibit migration; there is therefore no centre of gravity shift within the casing. Prior to FY98, approximately 460,000 examples of this projectile had been procured by the US armed forces. No procurement has been made since then. Description The 155 mm Smoke WP M825A1 is a separate loading, base ejection, smoke-producing projectile which uses a body virtually identical to the 155 mm DPICM M483A1. The projectile uses a 155 mm DPICM M483A1 aluminium ogive section and expulsion charge, a forged steel modified M483A1 body and a threaded steel ring and aluminium body base. Inside the body is a hermetically sealed canister containing 116 White Phosphorus (WP) saturated felt wedges each 190 mm thick and separated into four quadrants of 29 each. A 63.5 mm diameter burster charge containing approximately 45 g of Composition B runs the entire length of the canister's centre cavity. In operation, the nose-mounted time fuze is set to function at a selected point during the projectile's trajectory. When the fuze functions it ignites a 51 g expulsion charge of M10 propellant which creates sufficient internal pressure within the ogive to push off the body base and eject the canister. The expulsion charge also ignites a 100 ms pyrotechnic delay, enabling the canister to be fully ejected from the carrier body before the burster charge (21.2 g of Composition A5) ignites to break open the canister and release the WP-saturated felt wedges (total weight of WP in the wedges is 5.78 kg). A launch activated safe and arm module from a PD M739 fuze separates the forward end of the main burster charge from the heat sensitive pyrotechnic delay element. In less than 45 seconds of meeting the air the separated felt wedges start to burn and produce smoke. They continue to produce a dense and uniform smoke screen between 5 to 10 minutes. The 155 mm Smoke WP M825A1 can be fired using the M3A1/M4A2 bagged charge system, normally from Charge 3 upwards, or the M119 series of unitary bagged charges. The M203 (Charge 8S) can be utilised with the 155 mm Smoke WP M825A1. The Propelling Charge M3A1 is a green bag charge using 2.495 kg of M1 propellant divided into a base charge and four increments for firing as Charges 1 to 5. It has an M2 flash reducer pad (weighing 28.3 g) assembled in front of the base charge with similar pads assembled in front of increments 4 and 5. The increment bags are tied together by four cloth straps and a clean-burning igniter charge in a red cloth bag is sewn to the rear of the base charge. The complete charge is 406 mm long. The Propelling Charge M3 is similar to the M3A1 but lacks the M2 flash reducer pads and an 85 g charge of black powder is used in the igniter pad. It should be noted that Charge 1 cannot normally be used with the longer barrelled weapons. The Propelling Charge M4A2 is a white bag charge using 5.897 kg of M1 propellant divided into a base charge and four increments for firing as Charges 3 to 7. The increments are tied together by four cloth straps. A 96.4 g clean-burning igniter charge in a red cloth bag is sewn to the rear of the base section and an M2 flash reducer pad is assembled in front of the base charge. The complete charge is 533 mm long. The Propelling Charge M4A1 is similar to the M4A2 but does not contain the M2 flash reducer pad (although this can be added if required), the base igniter contains black powder. The M3 and M4 series of charges used with the 155 mm Smoke WP M825 are fired using the M82 primer. The M2 flash reducer pad used with these charges is a 101.6 mm square red cotton cloth bag containing black powder and potassium sulphate or potassium nitrate. The Propelling Charge M119 is a single white bag charge in a laced jacket fired as Charge 8. It has an igniter bag sewn on to the base and a flash reducer pad is located on the front of the bag; the forward end also contains lead foil as a decoppering agent. The M119 contains approximately 8.62 kg of cool-burning M6 propellant with a central igniter consisting of a moulded nitrocellulose tube containing benite strands. The Propelling Charge M119A1 has some design improvements over the M119 including a modified ring-shaped flash reducer. The Propelling Charge M119A2 uses a red charge bag and does not have a laced jacket. It is provided with an igniter protector cap and tie strap which must be removed before firing; the circular red cloth igniter pad weighs 113 g. The M119A2 zone 7 is equivalent to the M119/M119A1 zone 8 charge. There are four 113 g potassium sulphate flash reducer increments located in side pockets. The M119A2 is 660 mm long. The M119A2 charge is produced by Eurometaal NV as the No 13. The Propelling Charges M203 and M203A1 (Charge 8S) were developed primarily for use in the 155 mm M284 cannon used with the M109A5 and M109A6 Paladin self-propelled howitzers. The M203/M203A1 is a single red bag charge encased in a tight fitting lacing jacket for strength. The bag has an igniter sewn to the base, a central core igniter extending through the centre of the charge and a flash reducer in front of the charge. The M203A1 differs from the M203 by producing cooler burning to increase barrel life, together with a reduction in blast and muzzle flash. The M119 series and M203 propellant charges should be fired using the Primer M82 only. Ballistic performance achieved when firing the 155 mm Smoke WP M825A1 from the 155 mm M126/M126A1 Cannon used on the M109 self-propelled howitzer and the 155 mm M1A2 Cannon used on the M114A2 towed howitzer is as follows: Charge 1 ( M3A1 green bag) - MV 200 m/s - range 3,640 m Charge 2 ( M3A1 green bag) - MV 224.5 m/s - range 4,870 m Charge 3 ( M3A1 green bag) - MV 253.9 m/s - range 5,590 m Charge 4 ( M3A1 green bag) - MV 293.5 m/s - range 7,080 m Charge 5 ( M3A1 green bag) - MV 349.5 m/s - range 9,050 m Charge 3 (M4A2 white bag) - MV 334.2 m/s - range 6,490 m Charge 4 (M4A2 white bag) - MV 310.1 m/s - range 7,720 m Charge 5 (M4A2 white bag) - MV 363.5 m/s - range 9,420 m Charge 6 (M4A2 white bag) - MV 445 m/s - range 11,730 m Charge 7 (M4A2 white bag) - MV 535.2 m/s - range 14,320 m. When fired from the 155 mm M185 Cannon used on the M109A1 to M109A4 series of self-propelled howitzers, the 155 mm Smoke WP M825A1 provides the following ranges: Charge 3 ( M3A1 green bag) - MV 263 m/s - range 5,400 m Charge 4 ( M3A1 green bag) - MV 304.1 m/s - range 7,500 m Charge 5 ( M3A1 green bag) - MV 358.3 m/s - range 9,330 m Charge 3 (M4A2 white bag) - MV 297.5 m/s - range 7,230 m Charge 4 (M4A2 white bag) - MV 337 m/s - range 8,630 m Charge 5 (M4A2 white bag) - MV 386 m/s - range 10,080 m Charge 6 (M4A2 white bag) - MV 460 m/s - range 12,150 m Charge 7 (M4A2 white bag) - MV 546.5 m/s - range 14,650 m Charge 8 ( M119/M119A1 ) - MV 650 m/s - range 17,740 m Charge 8 (M119A2) - MV 660 m/s - range 17,740 m. When using the M203/M203A1 charges with the 155 mm M199 Cannon used on the M198 Towed Howitzer, the 155 mm Smoke WP M825A1 has a muzzle velocity of 797 m/s and a maximum range of 22,600 m. Giat Industries of France produces a combustible case intended for use with all NATO standard 155 mm weapons. The case consists of a skirt, a base and a cover containing Charges 6 to 9; lower charges are formed using bagged charges. Use of this case system produces a barrel life at maximum charge of 3000 EFC. The muzzle velocities produced using this combustible case system are as follows: Charge 6 - 586 m/s Charge 7 - 705 m/s Charge 8 - 810 m/s Charge 9 - 830 m/s Charge 9 can fire a standard projectile to a maximum range of 24,000 m. Chartered Ammunition Industries of Singapore produce a unitary charge, using cloth bags, which covers Charges 6, 7, 8 and 9. Known as the C20, this charge uses M6 propellant, is 610 mm long, 160 mm in diameter, and weighs 10 kg. It is anticipated that future 155 mm propellant charge systems will involve the employment of the M231/XM232 Modular Artillery Charge System (MACS). Other nations are currently in the process of adopting similar modular charge systems. Authorised fuzes PD M739 MTSQ M577 ET M762 Equivalent projectiles UNITED STATES OF AMERICA UNITED STATES OF AMERICA Manufacturer Chamberlain Manufacturing Type: Projectile, 155 mm: Smoke, WP, M825A1 Description: Metal parts produced at Scranton Army Ammunition Plant. Standard specifications Manufacturer General Dynamics, Ordnance and Tactical Systems (GD-OTS) Type: Projectile, 155 mm: Smoke, WP, M825A1 Description: Standard specificationsRead More
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