The loaded .338 cartridge is eight.six mm (0.34 in) in diameter (rim) and 93.five mm (3.sixty eight in) extended. It could penetrate improved-than-common army overall body armor at ranges of around one,000 metres (1,090 yd), and it has a maximum productive selection of about one,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 (two,890 to 3,000 ft/s) for industrial masses with sixteen.two-gram (250 gr) bullets, which corresponds to click here about 6,525 J (4,813 ft⋅lbf) of muzzle Electricity.
British military situation overpressure .338 Lapua Magnum cartridges with 70 mm (two.eight in) overall length, loaded with 16.2-gram (250 gr) LockBase B408 incredibly-reduced-drag bullets fired at 936 m/s (3,071 ft/s) muzzle velocity from a L115A3 Prolonged Vary Rifle were used in November 2009 by British sniper Corporal of Horse (CoH) Craig Harrison to ascertain a whole new history for the longest verified sniper kill in fight, at A variety of 2,475 m (2,707 yd) (given that broken).[4] In reviews, CoH Harrison mentions the environmental situations at Musa Qala have been ideal for prolonged-selection capturing: no wind, gentle climate, and very clear visibility.
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