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The .300 Norma Magnum, also known as .300 NM or 300 Norma, is a centerfire magnum rifle cartridge developed by Swedish ammunition manufacturer Norma Precision.The .300 Norma Magnum uses a .338 Norma Magnum parent case necked down to .30 caliber, [1] named to differentiate it from the older .308 Norma Magnum designed in 1960, and has begun to gain popularity among long-range shooters.
This is a table of selected pistol/submachine gun and rifle/machine gun cartridges by common name. Data values are the highest found for the cartridge, and might not occur in the same load (e.g. the highest muzzle energy might not be in the same load as the highest muzzle velocity, since the bullet weights can differ between loads).
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Truvelo sniper rifles are a family of bolt-action sniper rifles manufactured in South Africa in calibers ranging from 7.62×51mm NATO to 20×110mm. Models include: Sniper rifles. 7.62×51mm NATO.338 Lapua Magnum; 12.7×99mm NATO; 14.5×114mm; Anti-materiel rifles. 20×42mm; 20×82mm [5] 20×110mm
The .300 Rook is a rimmed cartridge originally designed for use in rook rifles for hunting small game and target shooting.. It was loaded with a 80 gr (5.2 g) solid lead bullet driven by 10 gr (0.65 g) of black powder at a standard muzzle velocity of 1,100 ft/s (340 m/s). [1]
The .300 Ruger Compact Magnum or .300 RCM is a rimless, short-length rifle cartridge designed for the hunting of medium-to-large-sized North American game.. It is designed to closely duplicate the performance of the historic .300 Winchester Magnum cartridge, yet to be chambered in a short length action rifle.
When comparing the .300 RUM and the .300 Weatherby Magnum, however, there is a difference in factory loadings. Performance data is often listed on the side of the ammunition box for those who wish to do an in-store comparison. On average, Weatherby factory ammo is loaded to higher chamber pressures than Remington or Winchester magnum rounds.
The .300 WSM also head-spaces off of the case shoulder, versus the older .300 Winchester Magnum's belted head space design. The advantage to this round is the ballistic performance is nearly identical to the .300 Winchester Magnum [ 2 ] in a lighter rifle with a shorter action burning 8 - 10% less gunpowder.