The loaded .338 cartridge is 8.6 mm (0.34 in) in diameter (rim) and ninety three.five mm (three.68 in) extended. It might penetrate superior-than-regular armed service physique armor at ranges of as many as one,000 metres (1,090 yd), and has a most successful number of about one,750 metres (1,910 yd) with C.I.P. conforming ammunition at sea level problems. Muzzle velocity is depending on barrel length, seating depth, and powder demand, and varies from 880 to 915 m/s (2,890 to three,000 ft/s) for business hundreds with 16.2-gram (250 gr) bullets, which corresponds to about six,525 J (four,813 ft⋅lbf) of muzzle energy.
British navy difficulty overpressure .338 Lapua Magnum cartridges with 70 mm (two.8 in) overall duration, loaded read more with 16.two-gram (250 gr) LockBase B408 quite-lower-drag bullets fired at 936 m/s (three,071 ft/s) muzzle velocity from the L115A3 Very long Assortment Rifle were used in November 2009 by British sniper Corporal of Horse (CoH) Craig Harrison to ascertain a brand new history for that longest verified sniper get rid of in overcome, at a range of two,475 m (two,707 yd) (due to the fact broken).[four] In reports, CoH Harrison mentions the environmental ailments at Musa Qala had been great for extended-vary capturing: no wind, moderate climate, and apparent visibility.
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