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The grain was the legal foundation of traditional English weight systems, [5] and is the only unit that is equal throughout the troy, avoirdupois, and apothecaries' systems of mass. [6]: C-6 The unit was based on the weight of a single grain of barley which was equal to about + 4 ⁄ 3 the weight of a single grain of wheat.
For example, the .50-90 Sharps has a .50-inch bore and used a nominal charge of 90.0 grains (5.83 g) of black powder. Many such cartridges were designated by a three-number system (e.g., 45–120–3 1 ⁄ 4 Sharps: 45-caliber bore, 120 grains of (black) powder, 3 1 ⁄ 4-inch long case). Other times, a similar three-number system indicated ...
Rounds are available from 68-to-300-grain (4.4 to 19.4 g) with a common load being the standard military loading of a 230-grain (15 g) FMJ bullet (for comparison, the most common 9mm load is 115 grains (7.5 g), half the weight). Specialty rounds are available in weights under 100 grains (6.5 g) and over 260 grains (17 g); popular rounds among ...
The 38/44 high-speed cartridge came in three bullet weights: 158 grains (10.2 g), 150 grains (9.7 g), and 110 grains (7.1 g), with either coated lead or steel jacket, metal-piercing bullets. The media attention gathered by the 38/44 and its ammunition eventually led Smith & Wesson to develop a completely new cartridge with a longer case length ...
130-grain (8.4 g) – soft point 150-grain (9.7 g) – round nose The next important change in the history of the rifle bullet occurred in 1882, when Lieutenant Colonel Eduard Rubin , director of the Swiss Army Laboratory at Thun, invented the copper-jacketed bullet — an elongated bullet with a lead core in a copper jacket.
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 ...
Common rifle cartridges, from the largest .50 BMG to the smallest .22 Long Rifle with a $1 United States dollar bill in the background as a reference point.. This is a table of selected pistol/submachine gun and rifle/machine gun cartridges by common name.
Ammunition, also known as ammo, is the material fired, scattered, dropped, or detonated from any weapon or weapon system. [1] The term Ammunition includes both expendable weapons (e.g., bombs , missiles , grenades , land mines ), and the component parts of other weapons that create the effect on a target (e.g., bullets and warheads ).