The loaded .338 cartridge is eight.6 mm (0.34 in) in diameter (rim) and ninety three.five mm (3.sixty eight in) extended. It could penetrate improved-than-common army system armor at ranges of approximately one,000 metres (1,090 yd), and it has a maximum helpful array of about one,750 metres (one,910 yd) with C.I.P. conforming ammunition at sea degree disorders. Muzzle velocity is dependent on barrel size, seating depth, and powder demand, and varies from 880 to 915 m/s (2,890 to three,000 ft/s) for commercial loads with sixteen.two-gram (250 gr) bullets, which corresponds to about six,525 J (4,813 ft⋅lbf) of muzzle Electricity.
British army challenge overpressure .338 Lapua Magnum cartridges with 70 mm (two.8 in) Total duration, loaded with 16.2-gram (250 gr) LockBase click here B408 quite-small-drag bullets fired at 936 m/s (three,071 ft/s) muzzle velocity from a L115A3 Extended Array Rifle were used in November 2009 by British sniper Corporal of Horse (CoH) Craig Harrison to ascertain a completely new document to the longest verified sniper get rid of in beat, at a range of 2,475 m (2,707 yd) (given that broken).[4] In studies, CoH Harrison mentions the environmental disorders at Musa Qala were perfect for lengthy-variety capturing: no wind, gentle climate, and obvious visibility.
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