The loaded .338 cartridge is eight.6 mm (0.34 in) in diameter (rim) and ninety three.5 mm (three.68 in) very long. It might penetrate far better-than-standard armed service entire body armor at ranges of up to one,000 metres (one,090 yd), and has a utmost successful number of about 1,750 metres (one,910 yd) with C.I.P. conforming ammunition at sea level problems. Muzzle velocity is depending on barrel length, seating depth, and powder cost, and may differ from 880 to 915 m/s (2,890 to 3,000 ft/s) for business hundreds with 16.2-gram (250 gr) bullets, which corresponds to about 6,525 J (four,813 ft⋅lbf) of muzzle energy.
British navy issue overpressure .338 Lapua Magnum cartridges with 70 mm (2.8 in) Total duration, loaded with sixteen.2-gram (250 gr) LockBase B408 quite-small-drag bullets fired at 936 m/s (3,071 ft/s) muzzle velocity from a L115A3 Prolonged Vary Rifle had been Utilized in November 2009 by British sniper Corporal of Horse (CoH) Craig Harrison to determine a brand new file for that longest verified sniper get rid of in combat, at A variety of 2,475 m (2,707 yd) (considering that damaged).[four] here In experiences, CoH Harrison mentions the environmental conditions at Musa Qala were perfect for lengthy-assortment capturing: no wind, gentle climate, and very clear visibility.
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