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A muzzle brake or recoil compensator is a device connected to, or a feature integral (ported barrel) to the construction of, the muzzle or barrel of a firearm or cannon that is intended to redirect a portion of propellant gases to counter recoil and unwanted muzzle rise. [1] Barrels with an integral muzzle brake are often said to be ported.
For a typical .408 CheyTac chambered gun, shooting 27.15 gram (419 gr) Lost River Ballistic Technologies bullets (claimed G1 BC = 0.940) at 884 m/s (2900 ft/s) muzzle velocity, the supersonic range would be 1,930 m (2,110 yd) under International Standard Atmosphere sea level conditions (air density ρ = 1.225 kg/m 3).
A special muzzle brake was added that could absorb up to 40% of the recoil energy and an elastic butt stock with lamellar spring was non-rigidly attached to the receiver. The acoustics of the rifle were also improved by adding a sound suppressor.
In 1944, a much cheaper muzzle brake patterned after the Polish Wz. 35 anti-tank rifle was introduced instead of the complicated early design. [23] After 1945, the DShK was exported widely to other countries in the Eastern Bloc. [16] In 1946, an improved variant was produced, with a revised muzzle and feeding system.
Free recoil / Frecoil is a vernacular term or jargon for recoil energy of a firearm not supported from behind. Free recoil denotes the translational kinetic energy ( E t ) imparted to the shooter of a small arm when discharged and is expressed in joules (J), or foot-pound force (ft·lb f ) for non-SI units of measure.
The felt recoil of a normal handgun in .38 Super is similar to the .45 ACP, but the higher pressure in the .38 Super provides more gas pressure for muzzle brakes. The .38 Super caliber became popular in the early 1980s, and has continued to be popular in the open division after its introduction in the 1993 season.
Muzzle brake Ordnance QF 17 pounder Rear view of QF 17-pounder displayed in Burlington, Ontario Mark I first production versions. Mark II intended for tank use. Removed the carrier mountings and replaced the muzzle brake with a counterweight. The brake was added back on in March 1944 with the introduction of the APDS shot. The Mk.
In order to preserve an optimal shooting comfort, the factory advises to avoid firing without the muzzle brake or silencer attached. [4] The PGM Ultima Ratio can consistently achieve an accuracy of about 0.5 MOA with match-grade ammunition when employed by a qualified marksman. The rifle can be used with a single row 5-round or double row 10 ...