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It appears that this round can drastically improve the performance of any AR-15 weapon chambered to .223/5.56 mm. Superior accuracy, wounding capacity, stopping power and range have made this the preferred round of many special forces operators, and highly desirable as a replacement for the older, Belgian-designed 5.56×45mm SS109/M855 NATO round.
The 5.56×30mm MINSAS round has a total length of 42 mm and a total weight of 6 g. [8] The bullet length is 17mm and the weight is 2.6g. [8] It has a range of up to 200 meters. [3] The cartridge has a muzzle velocity reportedly close to 900 m/s (3,000 ft/s), with a projectile of approximately 2.6 grams (40 grains). [9]
Other cartridges were derived from re-forming an existing case and possibly trimming the length in order to arrive at a case-shape that meets the standardized SAAMI-spec dimensions. AR-15: 22 Nosler : Proprietary, uses the head and rim dimensions of the 5.56x45, and a case-body that is similar to the 6.8 SPC case. To increase powder capacity ...
Production of the 30-round magazine started late 1967 but did not fully replace the 20-round magazine until the mid-1970s. [162] Standard USGI aluminum 30-round M16 magazines weigh 0.24 lb (0.11 kg) empty and are 7.1 inches (18 cm) long. [151] [note 13] The newer plastic magazines are about a half-inch longer. [164]
MIL-L-63532C stipulates that the force to strip a NATO approved round from the M27 link should be between 5.5 and 16 lb f (24.5 and 71.2 N) and the belt should have a minimal tensile strength of 33 lb f (146.8 N). A single M27 link weighs approximately 2 g (30.9 gr). [4]
.22 caliber, or 5.6 mm, refers to a common firearms bore diameter of 0.22 inch (5.6 mm) in both rimfire and centerfire cartridges.. Cartridges in this caliber include the very widely used .22 Long Rifle and .223 Remington/5.56×45mm NATO.
The table below gives a list of firearms that can fire the 5.56×45mm NATO cartridge, first developed and used in the late 1970s for the M16 rifle, which to date, is the most widely produced weapon in this caliber. [1]
Size: Metric size - may not be official ... 0.405 [5] 56.72mm ... Handgun round, popular for small size and weight. [3].25 WSSM: 2004 US 1 [6] R 6.5×42.4mm 3762 [10 ...