The loaded .338 cartridge is 8.six mm (0.34 in) in diameter (rim) and ninety three.five mm (3.68 in) long. It can penetrate much better-than-standard military system armor at ranges of nearly one,000 metres (1,090 yd), and has a most helpful choice of about 1,750 metres (1,910 yd) with C.I.P. conforming ammunition at sea amount ailments. Muzzle velocity is dependent on barrel length, seating depth, and powder demand, and differs from 880 to 915 m/s (2,890 to three,000 ft/s) for industrial loads with sixteen.2-gram (250 gr) bullets, which corresponds to about six,525 J (4,813 ft⋅lbf) of muzzle Power.
British military challenge overpressure .338 Lapua Magnum cartridges with 70 mm (2.eight in) Over-all size, loaded with sixteen.2-gram (250 gr) LockBase B408 very-small-drag bullets get more info fired at 936 m/s (3,071 ft/s) muzzle velocity from the L115A3 Extended Range Rifle were being Utilized in November 2009 by British sniper Corporal of Horse (CoH) Craig Harrison to determine a whole new document with the longest confirmed sniper get rid of in overcome, at a range of 2,475 m (two,707 yd) (considering that damaged).[4] In experiences, CoH Harrison mentions the environmental problems at Musa Qala were ideal for long-selection shooting: no wind, delicate temperature, and very clear visibility.
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