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5.56 mm (5.56×45mm NATO) Designed to chamber NATO ammunition: 430.0 / (62,366) 537.5 / (77,958) Pressure recorded in NATO design EPVAT Barrel with Kistler 6215 Transducer, [9] [10] HPI GP6 Transducer [11] or by equipment to Commission internationale permanente pour l’épreuve des armes à feu portatives (C.I.P.) requirements 7.62 mm (7.62× ...
The United States Armed Forces, however, defines test procedures for 5.56mm NATO in SCATP-5.56, 7.62mm NATO in SCATP-7.62, and .45 ACP in SCATP-45. [11] These procedures are based on the SAAMI test methodology.
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 ...
These have been replaced to a considerable extent in the light machine gun role by 5.56×45mm NATO weapons, such as the widespread use of the M249 SAW, but the 7.62×51mm NATO fully powered cartridge is still the standard chambering for the M134 Minigun and GPMGs such as the M60E4, FN MAG/M240, HK21, MG3, AA-52, Vektor SS-77, UKM-2000 and MG5 ...
The chamber is opened under high pressure, thus the chamber received a series of flutes in order to increase extraction reliability and prevent sticking of the spent casing to the chamber walls. The G3 roller-delayed blowback mechanism designed around 7.62×51mm NATO ammunition was downsized and revised for reliably using 5.56×45mm NATO ...
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 ...
.223 Remington – Original AR-15 cartridge: .223 cartridges may function in a 5.56×45mm rifle, however 5.56×45mm cartridges may produce excessive pressure in a .223 Rem rifle. On the other hand, a .223 Wylde chamber is used on .223 Rem rifle barrels to allow them to safely fire either .223 Remington or 5.56×45mm NATO ammunition. [6]
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) 7.62×51mm NATO (STANAG 2310) 12.7×99mm NATO (STANAG 4383) 40 mm grenade (×46 mm LV, ×51 mm MV, ×53 mm HV) Autocannons 20×102mm (STANAG 3585), 20 mm caliber; 25×137mm (STANAG 4173), 25 ...