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  2. 14.5 × 114 mm - Wikipedia

    en.wikipedia.org/wiki/14.5_×_114_mm

    The 14.5×114mm (.57 calibre) is a heavy machine gun and anti-materiel rifle cartridge used by the Soviet Union, the former Warsaw Pact, modern Russia, and other countries.. It was originally developed for the PTRS and PTRD anti-tank rifles, and was later used as the basis for the KPV heavy machine gun that formed the basis of the ZPU series anti-aircraft guns that is also the main armament of ...

  3. Wheel sizing - Wikipedia

    en.wikipedia.org/wiki/Wheel_sizing

    One example of a common bolt pattern is 5x100 mm. This means there are 5 bolts evenly spaced about a 100 mm bolt circle. The picture to the right is an example of a 5×100 mm bolt pattern on a Subaru BRZ. The wheel has 5 lug nuts and utilizes a 100 mm bolt circle diameter.

  4. Belt (firearms) - Wikipedia

    en.wikipedia.org/wiki/Belt_(firearms)

    An M27 disintegrating belt loaded with 5.56×45mm NATO M855 Ball and M856 tracer ammunition being fed into an M249 light machine gun Many modern ammunition belts use disintegrating links. Disintegrating links retain a single round and are articulated with the round ahead of it in the belt.

  5. List of dual-feed firearms - Wikipedia

    en.wikipedia.org/wiki/List_of_dual-feed_firearms

    5.56×45mm: Belgium 1980 Standschütze Hellriegel M1915 [3] Austro-Hungarian Empire 1915 IP-2: TsNIIMash: 5.45×39mm: Soviet Union 1977 IWI Negev: Israel Weapon Industries: 5.56×45mm: Israel 1997 M249 light machine gun: FN Herstal: 5.56×45mm: United States 1984 MCR-5.56-DF [4] FIGHTLITE INDUSTRIES 5.56×45mm: United States QJS-161: Norinco: 5 ...

  6. M27 link - Wikipedia

    en.wikipedia.org/wiki/M27_link

    This is in contrast with older belt systems which were typically made of fabric and were fed straight through the weapon without disintegrating. 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 ...

  7. Colt ring lever rifles - Wikipedia

    en.wikipedia.org/wiki/Colt_Ring_Lever_rifles

    The Colt first model ring lever rifle and Colt second model ring lever rifle are two early caplock revolving rifles that were produced by the Patent Arms Manufacturing Company between 1837 and 1841. The first model, produced between 1837 and 1838, was the first firearm manufactured by Samuel Colt , developed shortly before the advent of the ...

  8. Stoner 63 - Wikipedia

    en.wikipedia.org/wiki/Stoner_63

    The Stoner 63/63A is chambered for the now-standard 5.56×45mm intermediate rifle cartridge. When in the belt-fed role, the weapon would feed from a disintegrating metallic linked belt marked "S-63 BRW" which is a scaled-down version of the U.S. M13 link developed for the M60 GPMG. The Stoner 63/63A will not work reliably with the later M27 ...

  9. Headspace (firearms) - Wikipedia

    en.wikipedia.org/wiki/Headspace_(firearms)

    Headspace positioning of rimless, rimmed, belted and straight cartridges Several different rimmed, .22 rimfire cartridges, which have a uniform forward diameter, and which have headspace on the rim, allowing any length of cartridge shorter than the maximum size to be used in the same firearm Firearms chambered for tapered rimmed cartridges like this .303 British cannot safely fire shorter ...