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When requirements were finalized, the decision was made to separate the 5.56×45mm and 7.62×51mm weapons because converting the medium caliber rifle to fire small caliber bullets created an assault rifle heavier than the M4 carbine. After fielding, operators reversed the previous decision and called for a SCAR that could change calibers.
The U.S. based Sporting Arms and Ammunition Manufacturers' Institute (SAAMI) has listed a number of known unsafe firearm chamber and cartridge combinations which can happen due to mixing of different common cartridges. [1] Examples include: Firing a .22 Long Rifle round in a .17 HMR rifle
Clay Harvey, an American gun writer, said the .308 Winchester is usable on moose and elk. [23] Layne Simpson, an American who has hunted in Sweden, said he is surprised at how many hunters there used the cartridge. [24] Craig Boddington was told by a Norma Precision executive that the .308 Winchester was one of Norma's best-selling calibers. [25]
Even though the Sporting Arms and Ammunition Manufacturers' Institute (SAAMI) does not consider it unsafe to fire the commercial .308 Winchester rounds in weapons chambered for the military 7.62×51mm NATO round, there is significant discussion about compatible chambers and muzzle pressures between the two cartridges based on powder loads ...
The below table gives a list of firearms that can fire the 7.62×51mm NATO cartridge. This ammunition was developed following World War II as part of the NATO small arms standardization, it is made to replicate the ballistics of a pre-WWII full power rifle cartridge in a more compact package.
The SLAP design incorporates a polymer sabot, which allows for the use of a tungsten penetrator projectile of a lesser diameter than the original bore.By using the casing of a large cartridge with a lightweight projectile, the velocity of the projectile is greatly increased and the sectional density is improved without requiring a (potentially dangerous) increase in chamber pressure.
The 7mm-08 Remington is a rifle cartridge that is almost a direct copy of a wildcat cartridge developed around 1958 known as the 7mm/308. As these names would suggest, it is the .308 Winchester case necked down to accept 7 mm (.284) bullets with a small increase in case length.
At ranges between 400 and 800 m (437 and 875 yd), the then available small arms capable of returning effective fire, were the general-purpose machine gun and the bolt-action sniper rifle. These weapons chambered for the fully-powered 7.62 mm NATO cartridge were not well suited to increase the effective engagement range of the British eight-man ...