The loaded .338 cartridge is 8.6 mm (0.34 in) in diameter (rim) and ninety three.five mm (3.68 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 most productive variety of about 1,750 metres (one,910 yd) with C.I.P. conforming ammunition at sea stage problems. Muzzle velocity is dependent on barrel duration, seating depth, and powder cost, and varies 338 Lapua Magnum 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 situation overpressure .338 Lapua Magnum cartridges with 70 mm (2.eight in) All round duration, loaded with sixteen.2-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 eliminate in fight, at An array of 2,475 m (two,707 yd) (given that damaged).[4] In stories, CoH Harrison mentions the environmental situations at Musa Qala were being perfect for extensive-assortment taking pictures: no wind, gentle temperature, and distinct visibility.
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