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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.
The muzzle energy of the .950 JDJ is comparable to the kinetic energy of a 2,800 pounds (1,300 kilograms) automobile traveling at 20 miles per hour (32 kilometres per hour). In a 110 lb (50 kg) rifle, this will develop well over 200 foot-pounds force (270 joules) of free recoil energy. Shooting usually involves a heavy "lead sled" or similar ...
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.
Muzzle brakes are fitted to reduce recoil, jump and flash and act as a base for optional iron sights and suppressors. Standard configurations include a Schmidt & Bender PM II 5-25×56FFP MK II telescopic sight with P4F graticule but variants with variable magnification of either 3–12×50 or 4–16×50 are also available. Accuracy ...
M1A1C: M1A1 threaded for muzzle brake [18] M1A2: M1A1C with rifling twist changed from 1:40 calibers to 1:32 calibers [46] A muzzle brake was tested in January 1944, authorized in February 1944 with production starting June 1944. Not all guns received them. The threads of those without a brake were covered by a protector visible in many ...
Compare to the brakes such as the ones offered here, which are threaded on. scot 15:02, 29 January 2008 (UTC) Porting means drilling, which is what happens when a barrel is ported. A muzzle brake, whether integral or threaded, is a distinct piece of equipment, as it is "post-barrel".
Model 460 V 5" Barrel, Muzzle Brake "OD Green Carry Combo" (OD green Hogue grips, DeSantis green digital camo holster, DeSantis green digital belt ammo carrier; Custom OD green S&W gun case) [17] Model 460 XVR 8.38" Barrel, Muzzle Brake [18] Model 460 XVR Performance Center 10.5" Barrel, Muzzle Brake, Sling Swivels, Picatinny rail top [19]
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.