Файли cookie допомагають нам забезпечити безпеку сайту та покращити ваш досвід користування. Дізнайтеся більше або змініть свої налаштування файлів cookie.
Ми використовуємо файли cookie, щоб забезпечити вам найрелевантніший досвід.
Ammunition for Czech 30 mm M53 and M53/59
Регіон
Czech Republic
Macedonia
Категорія
Ammunition, Missiles and precision weapons
The 30 × 220 mm is a fixed round, with the projectile rigidly secured to the necked, lacquered steel cartridge case by a crimping ring which fits into a pronounced cannelure at the base of the projectile. A steel percussion primer, 27 g weight and 73 mm length, is fitted in the base of the cartridge case. The heat-treated steel projectile has a single copper drive band. The propellant utilised is 195 g of a nitrocellulose-based powder. All 30 × 220 mm rounds (apart from the Blanks) are 331 mm long and have a
muzzle velocity of 997 m/s. Ammunition for the 30 mm M53 gun is fed in 10-round clips. The M53/59 gun is loaded from a 50-round vertical box magazine using 10-round clips. Czechoslovakian-produced ammunition originally included API and HE-I rounds. These are no longer produced but available information is provided in the text. The Yugoslav-produced rounds were limited to HE-T, TP-T and Blank. API The projectile for this round weighs 450 g and has a muzzle velocity of 1,000 m/s. It can penetrate 55 mm of armour at an incidence of 0º at 500 m. It contains a small amount of incendiary mixture of incendiary mixture to create incendiary effects behind the target armour. This round is no longer in production but may still be encountered. HE-I The projectile used with this round weighs 450 g and contains approximately 35 g of RDX. The filling includes a small incendiary element to add to the blast effects. This round is no longer in production but may still be encountered. HE-T This round was still produced in Yugoslavia until the recent disturbances, where it is known as the 30 mm HE-T M69. The steel projectile contains 35.7 g of RDX/Aluminium and has a nose-mounted impact super-quick action fuze with a mechanical self-destruct device, the latter operating between 6 and 30 seconds after leaving the gun muzzle. The projectile base houses a tracer element which burns for 4 seconds. Also produced in Yugoslavia was a TP-T round ballistically matching the HE-T M69 but it did not contain an explosive filling, a tracer element or a fuze. Blank Produced in Yugoslavia , this round is referred to as the M78.