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Firing a 5.56×45mm NATO round out of a rifle chambered in .223 Remington could be injurious or fatal to the user as well as the gun, however .223 Remington ammunition can be fired safely from almost any rifle chambered in 5.56×45mm NATO as the NATO specified rifles can handle much higher chamber pressures than the .223 Remington is capable of ...
1998) Headstamp of a .50 caliber cartridge casing made at the Lake City Army Ammunition Plant in 1943 and recovered from the Sahuarita Bombing and Gunnery Range in 2012. Lake City Army Ammunition Plant (LCAAP) is a 3,935-acre (15.92 km 2 ) U.S. government-owned, contractor-operated facility in northeastern Independence, Missouri .
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] Not all countries that use weapons chambered in this caliber are in NATO. This table is sortable for every column.
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It was originally designed to chamber the military 7.62x51 NATO cartridge (also .308), which has a COAL of 2.800" (71.12mm) 45 Raptor : uses the standard 7.62 NATO case, cut to a length of 1.800" from 2.015", resulting in a straight-wall cartridge, neck is sized to 0.452". The resulting COAL of 2.300" is only 1.02 mm longer than the maximum ...
If a 5.56×45mm NATO cartridge is loaded into a chamber intended to use .223 Remington, the bullet will be in contact with the rifling and the forcing cone is very tight. This generates a much higher pressure than .223 Remington chambers are designed for. [3] NATO chose a 178-mm (1-in-7) rifling twist rate for the 5.56×45mm NATO chambering.
NATO cartridge may refer to: Small arms 9×19mm NATO (STANAG 4090) 4.6×30mm NATO (STANAG 4820) 5.7×28mm NATO (STANAG 4509) 5.56×45mm NATO (STANAG 4172)
This ammunition does not meet the FBI Ammunition Testing Protocol. With a 3.75-inch test barrel, HST 380 Auto Micro ammunition achieves a muzzle velocity of 1,030 feet per second, a velocity of 990 feet per second at 25 yards, and a velocity of 950 feet per second at 50 yards.