The efficiency of the muzzle brake is specified by the manufacturer at 75%.
Use of a muzzle brake can reduce the recoil from these rifles.
The muzzle brake was often omitted due to the scarcity of resources later in the war.
The gun had a large muzzle brake to reduce recoil.
The muzzle brake is designed to withstand 40% of the total recoil thrust.
You can tell by the shape of the muzzle brake.
In 1942 it was decided to fit a muzzle brake to the gun.
Unlike the F-25, the M-30 was not equipped with a muzzle brake.
Most are equipped with a muzzle brake and telescopic sight.
In 1941 a muzzle brake was fitted to allow longer range charges to be fired.
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