The loaded .338 cartridge is 8.6 mm (0.34 in) in diameter (rim) and ninety three.five mm (three.68 in) lengthy. It could penetrate much better-than-standard military system armor at ranges of nearly one,000 metres (1,090 yd), and it has a utmost productive variety of about 1,750 metres (one,910 yd) with C.I.P. conforming ammunition at sea stage situations. Muzzle velocity is dependent on barrel duration, seating depth, and powder cost, and varies from 880 to 915 m/s (two,890 to 3,000 ft/s) for commercial hundreds with 16.two-gram (250 gr) bullets, which corresponds to about six,525 J (4,813 ft⋅lbf) of muzzle Electrical power.
British armed service concern overpressure .338 Lapua Magnum cartridges with 70 mm (2.eight in) General duration, loaded with 16.two-gram (250 gr) check here LockBase B408 quite-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 brand new history to the longest verified sniper eliminate in combat, at A selection of 2,475 m (2,707 yd) (since damaged).[four] In studies, CoH Harrison mentions the environmental conditions at Musa Qala ended up perfect for prolonged-variety capturing: no wind, mild weather conditions, and clear visibility.
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