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It is similar in concept to the earlier commercial Weaver rail mount used to mount telescopic sights, but is taller and has wider slots at regular intervals along the entire length. The MIL-STD-1913 locking slot width is 0.206 in (5.23 mm). The spacing of slot centres is 0.394 in (10.01 mm) and the slot depth is 0.118 in (3.00 mm). [8]
A rail system mounted on top of a SIG SG 550 A dovetail rail on a rifle receiver for mounting a sight. A rail integration system (RIS; also called a rail accessory system (RAS), rail interface system, rail system, mount, base, gun rail, or simply a rail [1]) is a generic term for any standardized attachment system for mounting firearm accessories via bar-like straight brackets (i.e. "rails ...
The Special Operations Peculiar MODification (SOPMOD) kit is an accessory system for the M4A1 carbine, CQBR, FN SCAR Mk 16/17, HK416 and other weapons used by United States Special Operations Command (USSOCOM) special forces units, though it is not specific to SOCOM.
Diagram of .45 Colt U.S. Army "ball cartridge" for Army M1909 revolver, with dimensions in inches. The .45 Colt was a joint development between Colt's Patent Firearms Manufacturing Company (now known as Colt's Manufacturing Company), of Hartford, Connecticut, and the Union Metallic Cartridge Company (UMC) of Bridgeport, Connecticut.
Colt M4 Carbines and Colt M4A1 Carbines can be easily and relatively inexpensively modified/upgraded into ACC-Ms by replacing the upper receiver, which is more cost-effective than completely replacing the weapons with a whole new carbine with a different control layout and different overall ergonomics and handling characteristics that require ...
M4 Carbine. Colt was the original producer of the M16 rifle, rights to which it purchased from designer ArmaLite, and today offers a complete "Family of Weapons" based around the derivative M4 Carbine, which includes a heavy barreled rifle (HBAR), a carbine with sliding stock (M4 & ACC-M), a personal defense weapon with folding-collapsible buttstock (SCW), a piston carbine (APC), a Commando M4 ...
The Colt CM901 is a modular selective-fire rifle. Its caliber and barrel length can be changed without the use of tools. [ 3 ] Its semi-automatic variant is the LE901-16S .
To improve reliability, Colt used an articulating link piston (ALP) which "reduces the inherent stress in the piston stroke by allowing for deflection and thermal expansion". [1] In traditional gas piston operating systems, the force of the piston striking the bolt carrier can push the bolt carrier downwards and into the wall of the buffer tube ...