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The Kel-Tec PMR-30 is a full-size semi-automatic pistol manufactured by Kel-Tec of the United States. [1] It was made available in 2011. [ 5 ] It has a single action trigger pull of 3.5 to 5 lb f (16 to 22 N) and a manual safety device. [ 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 ...
The pistol accepts the same STANAG magazine that is used in the M-16, AR-15, and other NATO rifles chambered for 5.56×45mm. [3] The PLR-16's frame is constructed of reinforced polymer, making the pistol both durable and light-weight. The frame incorporates a Picatinny rail molded to the top of the receiver to accept various optical sights. [2]
The P50 is a straight blowback semi-automatic pistol that feeds from FN P90 magazines. [4] Like the P90, the rounds are rotated at a 90-degree angle from the magazine into the chamber. A Picatinny rail is located on the upper receiver, [5] and a second rail is located below the magazine. [6] The trigger pull is 5 lb (22N).
The bottom of the receiver forms the pistol grip, also accepting different magazines according to the version specified. The receiver also houses the firing mechanism. The 4130 ordnance steel barrel has a spring-loaded collar to ensure an accurate lock between the receiver and the polymer fore-end and the fully adjustable front sight.
Glock 28: The Glock 28 , introduced in 1997, is a blowback derivative of the subcompact (87 mm (3.4 in) barrel) Glock 26. The standard magazine capacity is 10 rounds, but the 15-round Glock 25 magazine will function in the Glock 28. Standard fixed-sight elevation is 6.9 mm, unlike the 6.5 mm elevation used for the 9×19mm Parabellum models.
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.
Designed by George Kellgren and manufactured by Grendel Inc., it uses a 30-round Zytel magazine and was available with a 5 or 8 inch barrel. A carbine version (R-31) was also offered. It was manufactured from 1990 to 1994. The P-30 uses a straight blow-back operation, with the assistance of a fluted chamber to reduce case friction during ...