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Source (s): Accurate Powder [1][failed verification] The .303 British (designated as the 303 British by the C.I.P. [2] and SAAMI [3]) or 7.7×56mmR, is a .303-inch (7.7 mm) calibre rimmed tapered rifle cartridge. The .303 inch bore diameter is measured between rifling lands as is the common practice in Europe which follows the traditional black ...
.300 Winchester Magnum.300 Winchester Short Magnum.303 British.303 Magnum.303 Savage.375/303 Westley Richards Accelerated Express.307 Winchester.308 Marlin Express.308 Norma Magnum.308 Winchester.308×1.5" Barnes.310 Cadet.318 Westley Richards.32 Remington.32 Winchester Self-Loading.32 Winchester Special.32-20 Winchester.32-40 Ballard
The civilian headstamp has the "SBR" at 12 o'clock and the caliber at 6 o'clock. On the military headstamp the "SB" is at 12 o'clock and the "R" is at 6 o'clock. It manufactured 7,92mm Mauser and .303 British military ammunition because most of the regional powers used either captured German or Austrian war surplus or British military aid.
The .22 Winchester Magnum Rimfire, also known as the .22 WMR, .22 Magnum, .22 WMRF, .22 MRF, [2] or .22 Mag, is a rimfire cartridge.Originally loaded with a bullet weight of 40 grains (2.6 g) delivering velocities in the 2,000 feet per second (610 m/s) range from a rifle barrel, .22 WMR is now loaded with bullet weights ranging from 50 grains (3.2 g) at 1,530 feet per second (470 m/s) to 30 ...
Rimfire ammunition. A rim-fire (or rimfire) is a type of metallic cartridge used in firearms where the primer is located within a hollow circumferential rim protruding from the base of its casing. When fired, the gun's firing pin will strike and crush the rim against the edge of the barrel breech, sparking the primer compound within the rim ...
Pattern 1914 Enfield. The Rifle, .303 Pattern 1914 (or P14) was a British service rifle of the First World War period, principally manufactured under contract by companies in the United States. It was a bolt-action weapon with an integral 5-round magazine. It served as a sniper rifle and as second-line and reserve issue, until declared obsolete ...
The .303/22, sometimes known as the .22/303, is a wildcat centrefire rifle cartridge based on the .303 British, necked down to fire a .224 projectile, originating in Australia in the 1930s as a cartridge for sporterised rifles, particularly on the Lee–Enfield action. Similar versions also appeared in Canada around the same time.
The .303 is an improved cartridge based on the .303 British and works well in Enfield and single-shot actions. Performance with a 150-grain (9.7 g) bullet is up to 3,235 ft/s (986 m/s) and with a 180-grain (12 g) bullet is up to 2,870 ft/s (870 m/s).