The loaded .338 cartridge is 8.6 mm (0.34 in) in diameter (rim) and ninety three.five mm (3.sixty eight in) lengthy. It may possibly penetrate greater-than-regular military services human body armor at ranges of as much as one,000 metres (one,090 yd), and has a greatest efficient choice of about 1,750 metres (1,910 yd) with C.I.P. conforming ammunition at sea stage conditions. Muzzle velocity is dependent on barrel duration, seating depth, and powder charge, and varies from 880 to 915 m/s (2,890 to three,000 ft/s) for commercial loads with 16.two-gram (250 gr) bullets, which corresponds to about six,525 J (four,813 ft⋅lbf) of muzzle Power.
British armed service problem overpressure .338 Lapua Magnum cartridges with 70 mm (2.8 in) Over-all duration, loaded with 16.2-gram (250 gr) LockBase B408 quite-small-drag bullets fired at 936 m/s get more info (three,071 ft/s) muzzle velocity from a L115A3 Extended Array Rifle were being used in November 2009 by British sniper Corporal of Horse (CoH) Craig Harrison to establish a whole new report with the longest verified sniper get rid of in combat, at A variety of 2,475 m (2,707 yd) (given that broken).[4] In reviews, CoH Harrison mentions the environmental situations at Musa Qala have been ideal for extended-selection capturing: no wind, delicate climate, and obvious visibility.
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