The loaded .338 cartridge is eight.six mm (0.34 in) in diameter (rim) and 93.5 mm (three.sixty eight in) very long. It could possibly penetrate superior-than-common navy human body armor at ranges of around 1,000 metres (one,090 yd), and it has a highest successful selection of about one,750 metres (one,910 yd) with C.I.P. conforming ammunition at sea level conditions. Muzzle velocity is depending on barrel size, seating depth, and powder charge, and may differ from 880 to 915 m/s (2,890 to 3,000 ft/s) for business masses with 16.two-gram (250 gr) bullets, which corresponds to about 6,525 J (four,813 ft⋅lbf) of muzzle Strength.
British armed forces issue overpressure .338 Lapua Magnum cartridges with 70 mm website (two.8 in) overall size, loaded with sixteen.2-gram (250 gr) LockBase B408 very-very low-drag bullets fired at 936 m/s (3,071 ft/s) muzzle velocity from the L115A3 Extended Variety Rifle were being Utilized in November 2009 by British sniper Corporal of Horse (CoH) Craig Harrison to determine a different document with the longest confirmed sniper get rid of in overcome, at a range of two,475 m (2,707 yd) (considering that broken).[four] In reports, CoH Harrison mentions the environmental ailments at Musa Qala had been great for lengthy-array shooting: no wind, delicate weather, and crystal clear visibility.
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