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5.56×45mm NATO maximum NATO cartridge dimensions, all sizes in millimeters (mm) [16] [17] The rifling twist rate for this cartridge is 177.8 mm (1 in 7 in), 6 grooves right hand twist, Ø lands = 5.56 millimetres (0.219 in), Ø grooves = 5.69 millimetres (0.224 in).
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.
The major dimensional difference between the chambers that fire the .223 Remington and the 5.56×45mm NATO is the longer and larger-diameter "freebore" [3] in the 5.56 chamber (0.0566 in (1.44 mm) vs 0.0250 in (0.64 mm) length, 0.2265 in (5.75 mm) vs 0.2240 in (5.69 mm) diameter). Freebore is a short and smooth section of the barrel that is ...
M27 links connect up to 200 5.56×45m NATO rounds contained in an ammunition box used to feed a M249 light machine gun. A cloth pouch capable of holding 200 M27 rounds. The M27 link, formally Link, Cartridge, Metallic Belt, 5.56mm, M27 is a metallic disintegrating link issued by the United States armed forces and among NATO and designed for use ...
A series of tests performed by NATO in the United Kingdom and France indicated that 5.7×28mm was a superior cartridge. [7] The results of the NATO tests were analyzed by a group of experts from France, the United States, Canada, and the United Kingdom and the group's conclusion was that the 5.7×28mm was "undoubtedly" the more efficient cartridge.
Category. : 5.56×45mm NATO. 5.56 mm × 45 mm (0.219 in × 1.772 in) Nato is the current rifle ammunition caliber of NATO.
Zastava M90. Categories: 5.56 mm assault rifles. 5.56×45mm NATO firearms.
M27 links connect up to 200 5.56×45m NATO rounds (4 × M855 ball : 1 M856 tracer) contained in an ammunition box used to feed a M249 light machine gun. The M856 tracer cartridge (63.7-grain bullet) is used in the M16A2/3/4, M4-series, and M249 weapons (among other 5.56mm NATO weapons). This round is designed to trace out to 875 yards, has an ...