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The SS195LF is a commercially available cartridge that features a lead-free primer and produces ballistics similar to the SS192 round, which it replaced in late 2004. [59] It uses the same 1.8-g (28 grain) copper-jacketed aluminum core bullet as the SS192, and it can be identified by the unmarked, hollow void at the tip and the silver-colored ...
The magazine body is constructed of polymer, with steel inserts at the feed lips. [14] Unlike a conventional pistol magazine, it is a double-stack staggered-feed magazine, with a follower that has the same appearance as that of an M16 rifle 's magazine, and which is loaded in the same manner: by pushing cartridges straight down into the ...
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]
Measurements of standard 7.5 cartridges loaded with 95 gr (6.2 g) bullets showed a muzzle velocity of 2,000 ft/s (610 m/s) out of a 5.3 in (13.46 cm) barrel equal to 4 in (10.16 cm) of free bore and a muzzle energy of 845 foot-pounds force (1,146 J), [4] which is almost 50% higher than the 357 magnum 125 grain JHP when using premium quality ...
The Army's Force management model [3]: diagram on p.559 begins with a projection of the Future operating environment, in terms of resources: political, military, economic, social, information, infrastructure, physical environment, and the time available to bring the Current army to bear on the situation.
The mainly European arms standards body Commission Internationale Permanente pour l'Epreuve des Armes à Feu Portatives (Permanent International Commission for portable firearms testing) (C.I.P.)—an organisation for standards in ammunition for civilian use—currently (2012) designates the 7.92×57mm Mauser as the 8 × 57 IS. This designation ...
It was designed (together with the new cartridge) to meet NATO requirements published in 1989, which called for an SMG-type weapon with a greater capacity to defeat Kevlar body armor (versus pre-existing submachine guns using conventional pistol cartridges such as the .45 ACP and 9×19mm Parabellum).
The pocket-sized Hewlett-Packard HP-35 scientific calculator was the first handheld device of its type, but it cost US$395 in 1972. This was justifiable for some engineering professionals, but too expensive for most students. Around 1974, lower-cost handheld electronic scientific calculators started to make slide rules largely obsolete.