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Compared to larger calibers, proponents of the 5.56×45mm NATO round contend that animal studies of the wounding effects of the 5.56×45mm NATO round versus the 7.62×39mm have found that the 5.56×45mm NATO round is more damaging, due to the post-impact behavior of the 5.56 mm projectile resulting in greater cavitation of soft tissues. [43]
The 7.62×51mm NATO round remains in use in designated marksman rifles such as the Heckler & Koch HK417, SIG 716, FN SCAR, L129A1, Colt Canada C20 DMR and LMT MARS-H based riles to take advantage of the effective range and accuracy potential compared with intermediate rifle rounds.
7.62×51mm NATO and its civilian variant .308 Winchester, sometimes described as .308 NATO by people mixing Imperial and Customary measurements, is used by some civilians, with metric measurements used by NATO. 7.62×53mmR, Finnish design based on the Russian 7.62×54mmR round.
The round attracted significant interest among other UK-oriented forces, but during NATO standardization effort the US was dead-set against any reduction in power. [14] The British EM-2 bullpup rifle used an intermediate round, and was issued in limited numbers in the 1950s but the 7.62×51mm NATO was selected and it was removed from service.
Swiss military version of the 5.56×45mm NATO / 223 Remington. For SIG SG 550 and variants. 5.7×28mm: 1990 Belgium 1 [7] R 5.7×28mm 2800 400 [8] 0.286 13 0.224 28mm Bottlenecked high velocity PDW cartridge designed by FN Herstal. Designed in response to NATO requests for a replacement for the 9×19mm cartridge. Frequently used in the FN Five ...
7.62×51mm NATO: This was the standard NATO rifle round until its replacement by the 5.56×45mm. It is currently the standard NATO sniper rifle and medium machinegun chambering. In the 1950s, it was the standard NATO round for rifles, but recoil and weight proved problematic for the new battle rifle designs such as the FN FAL. Standardized ...
The AR-10 is slightly larger and heavier than the AR-15. 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 ...
First manufactured 7.62×39mm Soviet rounds in 2002, NATO-standard 5.56×45mm NATO and 7.62×51mm NATO rounds in 2005 (earning the NATO interchangeability rating in 2006), and sporting .223 Remington and .308 Winchester rounds in 2012. The headstamp has the caliber at 12 o'clock, manufacturer's code at 6 o'clock, 2-digit year of production at 3 ...