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10- and 25-round box magazine; 50-round drum magazine. The SIG Sauer 522 LR is a . 22 LR semi-automatic , blowback operated rifle . It is patterned after the SIG 55x series rifles that fire 5.56x45mm centerfire cartridges . [ 1 ]
The M1921 Thompsons could accommodate either 20-round box magazines or 50-round cylindrical drum magazines; the latter were known as "L drums" because "L" is the Latin numeral for 50. [10] A 100-round "C drum" magazine (the letter standing for the Roman numeral for 100) was available, but weighed more than eight pounds and pushed the total ...
As a result, drum magazines became more common in the civilian market in the United States, although they are far less common than standard, lower-capacity, typically 30 round, box magazines. [2] As of 2019, about six manufacturers produced drum magazine in the United States, retailing for about $100 each. [2]
T1AAA = 10,000 cartridges of .22 Long Rifle Ball, in 50-round cartons. They were packed 10 cartons per cardboard box (500 rounds) and there were 20 boxes per wooden crate. Gross Weight: 85 lbs. Volume: 0.7 Cubic Feet. TAAAA = 6,000 cartridges of .22 Long Rifle Ball, in cartons, in M20 ammo cans (3,000 rounds), 2 × M20 cans in an M22 wooden crate.
50- and 100-round drum magazines plus 20- and 30-round box magazines for Thompson SMG. Drum magazines are used primarily for light machine guns. In one type, a moving partition within a cylindrical chamber forces loose rounds into an exit slot, with the cartridges being stored parallel to the axis of rotation.
The .22 long rifle, also known as the .22 LR or 5.7×15mmR, [4] [5] is a long-established variety of .22 caliber rimfire ammunition originating from the United States. It is used in a wide range of firearms including rifles , pistols , revolvers , and submachine guns .
The American-180 is a submachine gun developed in the 1960s which fires the .22 Long Rifle or .22 ILARCO cartridges from a pan magazine. The concept began with the Casull Model 290 that used a flat pan magazine similar to designs widely used prior to World War II. Only 87 Casull M290s were built, as the weapon was expensive to manufacture. [5]
It has largely the same features and configuration options of the MP5/10, and is fed by similar 30-round translucent straight magazines, but uses the regular "Navy" trigger group (without the burst-fire selection). [40] The MP5/40 was discontinued in 2000, but HK still offers support and spare parts. [39] MP5 .22 LR