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0.50 Spotting Rifle
Регіон
South Africa
Brazil
United States
India
Greece
Spain
Belgium
Категорія
Боєприпаси, ракети та високоточне озброєння
The round is a shortened version of the 0.50 Browning machine gun round, using a shorter case, reduced propellant charge and a special bullet. Its ballistics closely match those of the 106 mm M40/M40A1 recoilless rifles. The current service bullet is the Tracer M48A2 , a boat tailed bullet with flat tip. The jacket is brass, with a lead core to the mid and rear sections. The front section is filled with incendiary composition and has a small detonator in the bullet nose; the rear portion is counterbored and filled
with tracer composition. The bullet gives a red trace from 100 to 1,300 m range; on striking the target it gives a flash and a smoke puff to indicate a hit. This round was developed in the 1950s to be fired from the 0.50 Spotting Rifle M8. The M8 is a purpose-built, semi-automatic, gas-operated rifle, attached to the barrel of the M40/M40A1 recoilless rifle and precisely aligned with it so that the gunner fires the spotting rifle, varying the aim until the incendiary filled bullet strikes the target. The main gun is then quickly fired. The spotting bullet and propelling charge are designed to match the trajectory of the main armament projectile, so that where the spotting bullet hits, the main projectile will also hit if fired almost immediately after the gunner observes the strike of the spotting bullet. The M40A1 is obsolete in US service, but is still in widespread use elsewhere. Applications include spotting Rifle M8 , used for targeting with M40 series 106 mm recoilless guns.