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The size of the lead shot that is produced is determined by the diameter of the orifice used to drip the lead, ranging from approximately 0.018 inches (0.46 mm) for #9 lead shot to about 0.025 inches (0.64 mm) for #6 or #7.0 shot, while also depending on the specific lead alloy that is used.
For example, the lightest common .30-06 Springfield rifle bullet weighs 150 grains (0.34 oz (9.6 g)), while the lightest common 12 gauge shotgun slug weighs 7 ⁄ 8 oz (383 gr (24.8 g)). Slugs made of low-density material, such as rubber, are available as less than lethal specialty ammunition .
In practice, "dram" equivalence today most commonly equates just to a velocity rating equivalence in fps (feet-per-second), while assuming lead shot. A secondary impact of this equivalence was that common cartridges needed to stay the same size, physically, e.g., 2-1/2 or 2-3/4-inch shells, in order to be used in pre-existing shotguns when ...
(Round balls lose velocity faster than conical bullets and have much steeper ballistic trajectories beyond about 75 yards or 69 metres) In contrast, a 4-bore express rifle often used a 1,500-grain (3.43 oz; 97.20 g) bullet wrapped in paper to keep lead buildup to a minimum in the barrel. In either case, assuming a 4-ounce (110 g) mass for a 4 ...
A box of .38 Special (9.1 mm) cartridges that have 148-grain (9.6 g) bullets. Grains are commonly used to measure the mass of bullets and propellants. [11] [12] In archery, the grain is the standard unit used to weigh arrows. [13] In North America, the hardness of water is often measured in grains per U.S. gallon (gpg) of calcium carbonate ...
Bullet mass/type Velocity Energy; 273.438 gr ... 382.812 gr (25 g) 7 ⁄ 8 oz. Winchester 2 3 ... 20 lead balls of the diameter of a 20-gauge shotgun bore weigh one ...
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Two bore firearms generally fire spherical balls or slugs made of hardened lead, or in the case of a modern metallic cartridge with either solid brass or bronze projectiles. [1] The nominal bore is 1.326 inches (33.7 mm), and projectiles generally weigh 8 ounces (227 grams; 3500 grains). The velocity is relatively low, at around 1,500 feet per ...