The loaded .338 cartridge is eight.six mm (0.34 in) in diameter (rim) and ninety three.five mm (3.68 in) lengthy. It could penetrate far better-than-regular army body armor at ranges of up to 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 level disorders. Muzzle velocity is depending on barrel length, seating depth, and powder demand, and differs from 880 to 915 m/s (2,890 to three,000 ft/s) for business loads with 16.two-gram (250 gr) bullets, which corresponds to about 6,525 J more info (four,813 ft⋅lbf) of muzzle Electricity.
British navy problem overpressure .338 Lapua Magnum cartridges with 70 mm (two.8 in) General duration, loaded with 16.two-gram (250 gr) LockBase B408 quite-minimal-drag bullets fired at 936 m/s (three,071 ft/s) muzzle velocity from a L115A3 Extensive Array Rifle have been Employed in November 2009 by British sniper Corporal of Horse (CoH) Craig Harrison to ascertain a brand new record for that longest confirmed sniper eliminate in fight, at An array of 2,475 m (two,707 yd) (given that damaged).[4] In stories, CoH Harrison mentions the environmental situations at Musa Qala were ideal for extended-vary shooting: no wind, moderate climate, and apparent visibility.
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