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The SOCOM 16 and SOCOM II are largely identical to the standard M1A, but feature a 16.25-inch (413 mm) barrel, rather than the standard model's 22-inch (560 mm) barrel. The specially designed muzzle brake is designed to reduce the increased recoil produced by the shorter barrel.
Barrel nut Attaching the barrel to the receiver using a barrel nut and a barrel with a shoulder is an alternative to action threads, which has been used in firearms such as the Sten gun and AR-15. Hand tools Quick barrel change systems is an increasingly popular alternative, as seen in for example SIG Sauer 200 STR, Roessler Titan or Blaser R8.
Miller twist rule is a mathematical formula derived by American physical chemist and historian of science Donald G. Miller (1927-2012) to determine the rate of twist to apply to a given bullet to provide optimum stability using a rifled barrel. [1]
Springfield Armory, Inc., is an American commercial firearms manufacturer and importer based in Geneseo, Illinois. Founded in 1974 by Bob Reese and family, the company produces rifles such as the M1A and imports handguns such as the XD series and Hellcat .
The Springfield Armory SAINT [a] is a series of AR-15 style semi-automatic firearms manufactured by Springfield Armory, Inc. [2] Introduced in November 2016, [4] the series includes rifles, short-barreled rifles (SBRs), and pistols. Variants are marketed under the SAINT, SAINT Victor, and SAINT Edge brand names.
Model 1863 Springfield rifled musket and Pattern 1861 Enfield musketoon Springfield and Enfield actions. The Pattern 1861 Enfield musketoon was a short-barrel version (610 mm or 24 inches) of the Pattern 1853 Enfield rifled musket, having a faster rifling twist rate (1:48 versus 1:78), along with more rifling grooves (five grooves versus the Pattern 1853's three grooves), which made it as ...
Pickens' finger gun proves costly. Pickens' second penalty took place on Pittsburgh's first possession of the second half. With the Steelers leading, 27-21, Pickens caught a deep ball from Wilson ...
Original U.S. Ordnance Department instructions for the Springfield Model 1873 write: "Should the head of a cartridge come off in the act of firing, the best mode of extracting the shell is to take out a ball from a cartridge and reduce it with a knife or by rolling, so that it can be inserted into the muzzle of the barrel.