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Therefore with a 12-gauge, it would take 12 balls of lead of the same size as the 12 gauge shotgun's inner bore diameter to weigh 1 pound (454 grams). [1] The term is related to the measurement of cannons, which were also measured by the weight of their iron round shot; an eight-pounder would fire an 8 lb (3.6 kg) ball. Therefore, a 12 gauge is ...
Most shotgun cartridges are measured in terms of shotgun gauge. Shotgun gauge is determined by the weight of a round lead ball that is sized to fit into its barrel. 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).
A common method of expressing the amount of constriction is by "points". A "point" is equivalent to 0.025 mm (0.001 in) of constriction of the inner diameter of a choke. Hence, 40 points of constriction would correspond to a constriction of 0.040 inch (≈ 1 mm) in the inner diameter of a choke, corresponding to "Extra Full".
The 4, 8, 24, and 32 gauge guns are collector items. There are also some shotguns measured by diameter, rather than gauge. These are the .410 (10.4mm), .380 (9mm), and .22 (5.5mm); these are correctly called ".410 bore", not ".410-gauge". The .410 bore is the smallest shotgun size which is widely available commercially in the United States.
A skeet shooter shooting at close targets might use 127 micrometres (0.005 inches) of constriction to produce a 76 cm (30 in) diameter pattern at a distance of 19 m (21 yd). A trap shooter shooting at distant targets might use 762 micrometres (0.030 inches) of constriction to produce a 76 cm (30 in) diameter pattern at 37 m (40 yd). Special ...
The original model produced from 1947-1948. It had a plain one-piece pistol grip stock. The gun was distributed with two choke tubes (modified and full), which mount by screwing to the outside of the barrel, as opposed to the inside, like the Remington 870 or other modern shotguns. The shotgun was shipped with a wrench for removing the choke ...
The Savage Model 242 is virtually identical to the Model 24, except that both barrels are chambered for .410 bore 3" Magnum with full chokes. These guns were manufactured between 1977 and 1981. [7] Like all later Model 24s, it uses a single trigger and single exposed hammer with a barrel selector lever incorporated into the hammer. [7]
A view of the break-action of a typical over-and-under (O/U) double-barreled shotgun, with action open and the ejectors visible Two .410 shells being loaded into a side-by-side, double-barrel shotgun A double-barreled shotgun , also known as a double shotgun , is a break-action shotgun with two parallel barrels , allowing two single shots that ...