The loaded .338 cartridge is 8.six mm (0.34 in) in diameter (rim) and ninety three.five mm (3.68 in) lengthy. It may penetrate much better-than-regular army body armor at ranges of as much as one,000 metres (one,090 yd), and has a maximum effective number of about one,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 (four,813 ft⋅lbf) of muzzle Power.
British military difficulty 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 fired at 936 m/s (3,071 ft/s) muzzle velocity from the L115A3 Prolonged Assortment Rifle were Utilized in November 2009 by British sniper Corporal of Horse (CoH) Craig Harrison to establish a completely new file for the longest verified sniper kill in battle, check here at A variety of two,475 m (2,707 yd) (because damaged).[4] In stories, CoH Harrison mentions the environmental circumstances at Musa Qala were being ideal for extensive-assortment taking pictures: no wind, gentle temperature, and very clear visibility.
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