The loaded .338 cartridge is 8.six mm (0.34 in) in diameter (rim) and ninety three.5 mm (3.sixty eight in) extensive. It may possibly penetrate improved-than-conventional armed service overall body armor at ranges of approximately 1,000 metres (1,090 yd), and it has a greatest powerful array of about 1,750 metres (one,910 yd) with C.I.P. conforming ammunition at sea degree situations. Muzzle velocity is dependent on barrel duration, seating depth, and powder cost, and varies from 880 to 915 m/s (two,890 to 3,000 ft/s) for professional masses 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 challenge overpressure .338 Lapua Magnum cartridges with 70 mm (2.eight in) In general 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 a L115A3 Extensive Selection Rifle had been Employed in November 2009 by British sniper Corporal of Horse click here (CoH) Craig Harrison to ascertain a brand new history to the longest verified sniper eliminate in combat, at A selection of 2,475 m (two,707 yd) (because damaged).[4] In stories, CoH Harrison mentions the environmental situations at Musa Qala were being ideal for extensive-selection shooting: no wind, delicate weather, and crystal clear visibility.
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