The loaded .338 cartridge is eight.six mm (0.34 in) in diameter (rim) and 93.five mm (3.sixty eight in) lengthy. It may possibly penetrate superior-than-normal military human body armor at ranges of as much as one,000 metres (one,090 yd), and has a utmost successful number of about 1,750 metres (1,910 yd) with C.I.P. conforming ammunition at sea amount situations. Muzzle velocity is depending on barrel duration, seating depth, and powder charge, and differs from 880 to 915 m/s (two,890 to three,000 ft/s) for commercial masses with sixteen.two-gram (250 gr) bullets, which corresponds to about six,525 J (four,813 ft⋅lbf) of muzzle Vitality.
British armed service problem overpressure .338 Lapua Magnum cartridges with 70 mm (2.eight in) In general length, loaded with 16.2-gram (250 gr) LockBase B408 quite-small-drag bullets fired at 936 m/s (three,071 ft/s) muzzle velocity from a L115A3 Lengthy Selection 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, get more info at a range of 2,475 m (2,707 yd) (given that broken).[4] In studies, CoH Harrison mentions the environmental problems at Musa Qala ended up great for very long-vary taking pictures: no wind, moderate temperature, and apparent visibility.
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