The loaded .338 cartridge is eight.6 mm (0.34 in) in diameter (rim) and 93.5 mm (three.sixty eight in) prolonged. It might penetrate greater-than-common armed forces entire body armor at ranges of as much as one,000 metres (one,090 yd), and has a optimum effective range of about one,750 metres (1,910 yd) with C.I.P. conforming ammunition at sea level disorders. Muzzle velocity is depending on barrel length, seating depth, and powder demand, and differs from 880 to 915 m/s (2,890 to three,000 ft/s) for industrial loads with sixteen.2-gram (250 gr) bullets, which corresponds to about six,525 J (4,813 ft⋅lbf) of muzzle Power.
British military challenge overpressure .338 Lapua Magnum cartridges with 70 mm (2.8 in) Over-all size, loaded with sixteen.2-gram (250 gr) LockBase B408 very-minimal-drag bullets fired at 936 m/s (three,071 ft/s) muzzle velocity from a L115A3 Long Vary Rifle have been used in November 2009 by British sniper Corporal of Horse (CoH) Craig Harrison to ascertain a fresh history to the longest confirmed sniper eliminate in combat, at A selection of 2,475 m (two,707 yd) (since damaged).[4] In studies, CoH Harrison mentions the environmental conditions at Musa Qala ended up perfect for prolonged-variety taking pictures: no wind, here mild weather conditions, and clear visibility.
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