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BOYS ANTI-TANK RIFLE

" .50 cum .22" CONVEYOR - ADAPTER FOR SUB-CALIBRE PRACTICE IN TRAINING

and a link to the incorrectly titled "BOYES' Small Arms Training Pamphlet of 1937-39"


For the Boys ATR converted to .50 calibre BMG

Rimless Conveyor "cartridge", with Firing-Plug and its striker in the white

 

 

 

 

< Head & Chamber - Muzzle >

 

 

 

 

 

 

Components

configuration for use

Firing-Plug striker is brought flush with head of conveyor when a .22RF round is chambered

The ".55 cum .22" for the Boys ATR in its original .55 calibre with belted case, and manufactured by Parker-Hale during WWII, is shown below for comparison. Note the expeller rod necessary for pushing the fired cases from the conveyor.

See also the "303 cum 22" Rifle Pattern 1918 by Parker-Hale

Return to the Boys Anti-Tank Rifle

Below, a 5 round group fired at only 8 yards for testing. Firing three inches low and right, the aiming mark the top left hand target black, and the Boys' rear-sight set at 300 yards. A five hundred yard setting would lift the group a little. Windage is good, but elevation affected by old eyes looking through a large battle aperture at out-of -focus fore-sight blade for a blurred and inconsistent six-o'clock aim. The three round key-holed group is probably most representative of performance. The target is shown larger than actual size. The bullet holes are, of course, .22 calibre.

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