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-regular army physique 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 conditions. Muzzle velocity is dependent on barrel length, seating depth, and powder demand, and may differ from 880 to 915 m/s (2,890 to three,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 Electrical power.
British armed service situation overpressure .338 Lapua Magnum cartridges with 70 mm (2.eight in) Total size, loaded with 16.two-gram (250 gr) LockBase B408 extremely-low-drag bullets fired at 936 m/s (three,071 ft/s) muzzle velocity from the L115A3 Extended Variety Rifle were being used in November 2009 by British sniper Corporal of Horse (CoH) Craig Harrison to determine a different document with the longest confirmed sniper kill in battle, at here A variety of two,475 m (2,707 yd) (considering the fact that broken).[four] In studies, CoH Harrison mentions the environmental circumstances at Musa Qala were being ideal for long-selection shooting: no wind, gentle temperature, and obvious visibility.
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