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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.
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 ...
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".
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.
While the barrel is standard with a muzzle brake, it can be removed to allow access to a threaded muzzle for the attachment of a suppressor. The rifle is guaranteed to have a standard 0.5 moa (0.15 mrad ) accuracy and uses a 1-6 lbs (4-27 N) adjustable match trigger .
The M198 is towed by a 5-short-ton (4.5 t; 4.5-long-ton) truck that is used to carry the nine person crew with supplies and ammunition; it is transported tail first. The gun tube can be rotated over the howitzer's trail legs to reduce its length, though this requires removal of the muzzle brake, or left in the firing position for faster ...
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 ...