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The FN 5.7×28mm (designated as the 5.7×28 by the C.I.P. [7] and FN 5.7×28mm NATO [9]) is a small-caliber, high-velocity, smokeless-powder, rebated, non-tapered, bottleneck, centerfire cartridge designed for pistols and personal defense weapons (PDW) uses, manufactured by FN Herstal. [10]
The 5.7×28mm cartridge weighs 6.0 g (93 grains)—significantly lighter than the average 9×19mm Parabellum cartridge (M882 NATO total cartridge weight of 12 grams (180 grains)) [36] —making extra ammunition less burdensome, or allowing more ammunition to be carried for the same weight.
The gun uses a smooth single-action striker-fired trigger mechanism. [2]The frame is made out of polymer, [6] the slide and barrel are made out of 416 stainless steel [7] and the magazine is made out of black oxide alloy steel. [8]
The .22 Spitfire is an American wildcat rifle cartridge developed by Col. Melvin M. Johnson.It was originally named the MMJ 5.7mm [1] by its designer and is also known in the U.S. as the 5.7mm Johnson, the Johnson MMJ 5.7mm Spitfire, and the .22 Johnson, (or 5.7×33mm internationally).
The AR-57 PDW upper is a new design on AR-15/M16 rifles, blending the AR-15/M16 lower with a lightweight, monolithic upper receiver system chambered in 5.7×28mm. This model is also sold as a complete rifle, supplied with two 50-round P90 magazines. [1]
Coins of one euro (7.5 grams), [63] one U.S. dollar (8.1 grams) [64] and one Canadian loonie (7 grams [pre-2012], 6.27 grams [2012-]) [65] 10 −2 decagram (dag) 1.2 × 10 −2 kg Mass of one mole (6.02214 × 10 23 atoms) of carbon-12 (12 grams) 1.37 × 10 −2 kg Amount of ethanol defined as one standard drink in the U.S. (13.7 grams) [66] 2 ...
The L.S. L'spur bullet weighed 6 grams (93 gr) and was basically the same as used in the L.S. ammunition but combined with a tracer that added 0.5 grams (7.7 gr) extra weight. This cartridge can be recognized by the green stripe over the case head and a black bullet tip.
By comparison, 8.0 million DWT, 8.7 million DWT, and 20.8 million DWT worth of oil tanker capacity was built in 1980, 1990, and 2000 respectively. [73] Ships are generally removed from the fleet through a process known as scrapping. [74]