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left-to-right: .410 bore, 28 gauge, 20 gauge, and 12 gauge shotgun shells. The six most common shotgun gauges, in descending order of size, are the 10 gauge, 12 gauge, 16 gauge, 20 gauge, 28 gauge, and .410 bore. [7] By far the most popular is the 12 gauge, [7] particularly in the United States. [8] The 20-gauge shotgun is the next most popular ...
A 12-gauge shotgun cartridge in a transparent plastic hull, allowing the contents to be seen. From left to right: brass, propellant, over-powder wad, shot wad, #8 birdshot, over-shot wad, and crimp. A shotgun cartridge, shotshell, or shell is a type of rimmed, cylindrical (straight-walled) ammunition used specifically in shotguns.
Shotgun conversion sleeves may be called subgauge inserts, subgauge tubes, or gauge reducers. Sleeves intended for rifle or handgun cartridges may have rifled barrels. Additional variations may allow centerfire weapons to fire rimfire ammunition and/or retain autoloading function with the smaller cartridge.
Early ammunition had a 4-digit year with the first 2 digits (thousands and hundreds) at 9 o'clock and the second 2 digits (tens and ones) at 3 o'clock. Ammunition with an E at the 12 o'clock position (which stands for Ersättning, or "Substitute") have a bimetallic cartridge-case (brass-clad steel) due to wartime economy measures during World ...
The weapon has two hammerless shotgun barrels with a single rifle barrel underneath, firing two 12 gauge or 16 gauge shotgun shells (16 gauge seems to have only been used on the commercial version) alongside a single 9.3×74mmR rifle round. The M30 has two triggers and a sliding selector directly behind the lever for opening the breech.
John Olin, the son of founder Franklin W. Olin, improved shotgun cartridge designs in the 1920s by using harder shot and progressive burning powder. [9] Western produced 3 billion rounds of ammunition in World War II, and the Winchester subsidiary developed the U.S. M1 carbine and produced the carbine and the M1 rifle during the war.
The majority of "modern" Model 12 shotguns manufactured after 1927 were chambered for 2¾-inch shotgun shells only, although some specialized models such as the Heavy Duck Gun Model 12 were chambered for 3" Super Speed and Super X shells (basically a 3" magnum). The early 20 gauge Model 12 guns had chambers that were 2½", and the 16 gauge ...
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.