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.