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However, the 3 + 1 ⁄ 2-inch (89 mm) 12-gauge shell, with its higher SAAMI pressure rating of 14,000 psi (97 MPa) compared to standard 2 + 3 ⁄ 4-inch (70 mm) and 3-inch (76 mm) 12-gauge shells with their lower pressure rating of 11,500 psi (79 MPa), began to approach the performance of the 3 + 1 ⁄ 2-inch (89 mm) 10-gauge shells with a ...
The difference between a 1 and 2 gauge bore, however, is 25%. This is a significant amount, so it makes sense to have a division in between. This source lists loading data for punt guns of 1 to 1 1/4 inch (4 5/8 to 2 3/8 gauge), 1 3/8 to 1 1/2 inch (1 3/4 to 1 3/8 gauge), and 1 5/8 to 1 3/4 inch bore (1 gauge to 1 1/8 pounder). If there were no ...
A ball gauge is an instrument used by the umpires in cricket to check whether the size of a cricket ball meets the standard measurements mandated by the Laws of Cricket.It is usually in a form somewhat like a pair of handcuffs with two connected rings: one ring has the minimum acceptable diameter, through which the ball should not pass; the other ring has the maximum acceptable diameter ...
EM or 4 mm: 1:76: 18.2 mm (0.717 in) This gauge is represented by the EM Society (in full, Eighteen Millimetre Society). 00 track (16.5 mm) is the wrong gauge for 1:76 scale, but use of an 18.2 mm (0.717 in) gauge track is accepted as the most popular compromise towards scale dimensions without having to make significant modifications to ready ...
For example, the barrel of a 12-gauge shotgun is equal to the diameter of a 1/12 of a pound lead ball (0.729 in) and a 20-gauge can fit a 1/20 pound lead ball (0.615 in). Using this method, a .410 bore is equivalent to a (hypothetical) 67-gauge, instead of the incorrectly labeled 36 gauge (0.506) in Europe and South America.
Loads of 12-gauge 00 buckshot are commonly available in cartridges holding from 8 (eight) to 18 (eighteen) pellets in standard lengths (2 + 3 ⁄ 4 inches, 3 inches, and 3 + 1 ⁄ 2). Reduced-recoil 00 buckshot is often used in tactical and self-defense rounds, minimizing shooter stress and improving the speed of follow-up shots.
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 ...
The civilian version of the KS-23 is the ТОZ-123 Selezen'-4 ("Drake-4") (ТОЗ-123 «Селезень-4»). It is manufactured by Tulsky Oruzheiny Zavod and features a smoothbore design, making it more similar to a traditional shotgun, and is chambered in standard 4 gauge. The first shotgun was made in 1995. [5]