The loaded .338 cartridge is eight.six mm (0.34 in) in diameter (rim) and 93.5 mm (three.sixty eight in) prolonged. It might penetrate greater-than-common armed forces entire 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 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 industrial loads with sixteen.2-gram (250 gr) bullets, which corresponds to about six,525 J (4,813 ft⋅lbf) of muzzle Power.
British military challenge overpressure .338 Lapua Magnum cartridges with 70 mm (2.eight in) Over-all length, 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 Variety Rifle were being Utilized in November 2009 by Savage 338 Lapua British sniper Corporal of Horse (CoH) Craig Harrison to establish a different document with the longest confirmed sniper get rid of in overcome, at a range of two,475 m (two,707 yd) (considering that broken).[four] In reports, CoH Harrison mentions the environmental ailments at Musa Qala had been ideal for lengthy-array shooting: no wind, delicate climate, and clear visibility.
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