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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] It is similar in length to the .22 WMR and .22 Hornet ...
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.
In comparison, the "standard" load for the .30 Carbine has a .30 Carbine ball bullet weighing 110 grains (7.1 g); a complete loaded round weighs 195 grains (12.6 g) and has a muzzle velocity of 1,990ft/s (610m/s), giving it 967ft⋅lbf (1,311 joules) of energy when fired from the M1 carbine's 18-inch barrel.
Common rifle cartridges, from the largest .50 BMG to the smallest .22 Long Rifle with a $1 United States dollar bill in the background as a reference point.. This is a table of selected pistol/submachine gun and rifle/machine gun cartridges by common name.
The 5.7×28mm cartridge weighs 6.0 g (93 grains)—roughly half as much as a typical 9×19mm cartridge—allowing the same number of rounds to be carried for less weight, or allowing more rounds to be carried for the same weight.
The 4.6×30mm (designated as the 4,6 × 30 by the C.I.P.) [6] cartridge is a small-caliber, high-velocity, smokeless powder, rebated, bottleneck, centerfire cartridge designed for personal defense weapons (PDW) developed by German armament manufacturer Heckler & Koch (HK) in 1999.
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]
Name Case type Bullet Case length Rim Base Shoulder Neck OAL 5mm Remington Rimfire Magnum [1]: bottlenecked: 5.21 (.205) 25.91 (1.020) 8.25 (.325) 6.58 (.259) 6.58 (.259)