The loaded .338 cartridge is eight.six mm (0.34 in) in diameter (rim) and 93.5 mm (3.sixty eight in) very long. It could possibly penetrate superior-than-common navy entire body armor at ranges of around 1,000 metres (one,090 yd), and has a optimum efficient range of about one,750 metres (1,910 yd) with C.I.P. conforming ammunition at sea level disorders. Muzzle velocity is depending on barrel size, seating depth, and powder charge, and may differ from 880 to 915 m/s (2,890 to three,000 ft/s) for business loads with sixteen.two-gram (250 gr) bullets, which corresponds to about 6,525 J (four,813 ft⋅lbf) of muzzle Vitality.
British army issue overpressure .338 Lapua Magnum cartridges with 70 mm (two.8 in) In general size, website loaded with sixteen.2-gram (250 gr) LockBase B408 pretty-very low-drag bullets fired at 936 m/s (3,071 ft/s) muzzle velocity from the L115A3 Extended Range Rifle were being Utilized in November 2009 by British sniper Corporal of Horse (CoH) Craig Harrison to determine a completely new record for the longest verified sniper get rid of in battle, at A selection of two,475 m (2,707 yd) (since damaged).[four] In studies, CoH Harrison mentions the environmental conditions at Musa Qala ended up perfect for very long-variety capturing: no wind, mild weather conditions, and clear visibility.
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