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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.
Bullets are often tapered, making them more aerodynamic. Bullet size is expressed by weight and diameter (referred to as "caliber") in both imperial and metric measurement systems. [1] Bullets do not normally contain explosives [2] but strike or damage the intended target by transferring kinetic energy upon impact and penetration.
Other times, a similar three-number system indicated bore (caliber), charge (grains), and bullet weight (grains). The 45-70-500 Government is an example. Often, the name reflects the company or individual who standardized it, such as the .30 Newton, or some characteristic important to that person.
Bullet weights among commercially available ammunition range from 20 to 60 grains (1.3 to 3.9 g), and velocities vary from 575 to 1,750 ft/s (175 to 533 m/s). .22 LR is the least costly cartridge ammunition available. [8] Promotional loads for plinking can be purchased in bulk for significantly less cost than precision target rounds. The low ...
Some common performance parameters are shown in the table below for several .357 Magnum loads. Bullet weights ranging from 100 to 200 grains (6.5 to 13.0 g) are common. The 125 grains (8.1 g) jacketed hollow point loads are popular for self-defense, whereas the heavier loads are commonly used for hunting.
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 ...
Bullet weight: 450 grains (29 g) [4] The U.S. Navy purchased Remington Rolling Block rifles chambered for the .50-70 cartridge. The U.S. Navy also contracted with Remington to produce several thousand rolling-block carbines chambered for a reduced load version which was officially produced for use only in carbines, using a shortened .50-70 with ...
It is commercially loaded with 0.224-inch (5.7 mm) diameter jacketed bullets, with weights ranging from 35 to 85 grains (2.27 to 5.8 g), with the most common loading by far being 55 gr (3.6 g). Ninety-grain and 95-grain (6.2 g) Sierra Matchking bullets are available for reloaders.