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BOYS ANTI TANK RIFLE

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Published on Mar 28, 2009

The eponymous creator of this firearm was Captain Boys (the Assistant Superintendent of Design) who was a member of the British Small Arms Committee and a designer at the Royal Small Arms Factory, Enfield Lock. It was initially called Stanchion but was renamed after H.C. Boys as a mark of respect when he died a few days before the rifle was approved for service in November 1937.

The Boys rifle was used in the early stages of World War II against lightly armored German tanks and combat vehicles. Britain also supplied a large number of Boys anti-tank rifles to Finland in 1939 and 1940 during the Winter War with the Soviet Union. The weapon was popular with the Finns, because it could deal with Soviet T-26 tanks which the Finnish Army encountered in many engagements.
At its introduction, the weapon was effective on light armor (16mm thick) at 100 yards (91 m). There were two main service loads used during the Second World War, the W Mark 1 (60 g AP at 747 m/s) and the W Mark 2 ammunition (47.6 g AP projectile at 884 m/s). The W Mark 1 could penetrate approximately 16mm of armor at 100 yards, about the thickness used on the frontal armour of a half-track or armoured car, or the side or rear armour of a light tank. Later in the conflict, a more effective round was developed, the W Mark 2, which fired a tungsten-cored projectile at 945 m/s. The W Mark 2 was able to penetrate up to 3/4 inch (19 mm) of armour at 100 yards (~91 m), with the plate inclined at 70° from the horizontal (i.e. 20 degrees from the direct line angle of fire), the effective thickness being ~21.5 mm at 0°. Its effective range against unarmoured targets (e.g. infantry), was much further. Despite its recoil slide and cushioned buttpad, the felt recoil of the weapon (along with noise and muzzle blast) was terrific, frequently causing neck strains and bruised shoulders. Consequently, the Boys was almost never fired as a free weapon (i.e. not affixed to a support) except in emergencies

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