The loaded .338 cartridge is 8.six mm (0.34 in) in diameter (rim) and 93.five mm (three.68 in) long. It may possibly penetrate superior-than-normal military overall body armor at ranges of around one,000 metres (one,090 yd), and has a most powerful selection of about one,750 metres (one,910 yd) with C.I.P. conforming ammunition at sea level ailments. Muzzle velocity is dependent on barrel size, seating depth, check here and powder cost, and may differ from 880 to 915 m/s (2,890 to 3,000 ft/s) for business hundreds with 16.2-gram (250 gr) bullets, which corresponds to about six,525 J (four,813 ft⋅lbf) of muzzle Power.
British armed service issue overpressure .338 Lapua Magnum cartridges with 70 mm (2.8 in) Over-all duration, loaded with sixteen.two-gram (250 gr) LockBase B408 really-small-drag bullets fired at 936 m/s (3,071 ft/s) muzzle velocity from a L115A3 Prolonged Vary Rifle had been Utilized in November 2009 by British sniper Corporal of Horse (CoH) Craig Harrison to determine a brand new file for that longest verified sniper get rid of in fight, at A selection of 2,475 m (2,707 yd) (considering the fact that damaged).[four] In reports, CoH Harrison mentions the environmental situations at Musa Qala have been great for very long-vary taking pictures: no wind, moderate weather, and distinct visibility.
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