The loaded .338 cartridge is eight.six mm (0.34 in) in diameter (rim) and ninety three.5 mm (3.sixty eight in) very long. It could possibly penetrate superior-than-typical navy human body armor at ranges of approximately 1,000 metres (one,090 yd), and it has a greatest successful array of about 1,750 metres (one,910 yd) with C.I.P. conforming ammunition at sea degree circumstances. Muzzle velocity is dependent on barrel duration, seating depth, and powder cost, and varies from 880 to 915 m/s (2,890 to 3,000 ft/s) for professional masses with 16.two-gram (250 gr) bullets, which corresponds to about 6,525 J (four,813 ft⋅lbf) of muzzle Electricity.
British navy concern overpressure .338 Lapua Magnum cartridges with 70 mm (two.8 in) General duration, loaded with sixteen.two-gram (250 gr) LockBase B408 incredibly-lower-drag bullets fired at 936 m/s (3,071 ft/s) muzzle velocity from the L115A3 Lengthy Vary Rifle ended up used in November 2009 by British sniper Corporal of Horse (CoH) Craig Harrison to determine a fresh record for that longest confirmed sniper get rid of check here in combat, at A variety of two,475 m (two,707 yd) (since broken).[four] In stories, CoH Harrison mentions the environmental ailments at Musa Qala had been great for extended-vary capturing: no wind, mild weather, and clear visibility.
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