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 it has a highest efficient range of about one,750 metres (1,910 yd) with C.I.P. conforming ammunition at sea level conditions. Muzzle velocity is depending on barrel size, seating depth, and powder website 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 six,525 J (4,813 ft⋅lbf) of muzzle Power.
British military services challenge overpressure .338 Lapua Magnum cartridges with 70 mm (2.eight in) Total length, 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 Prolonged Variety Rifle were being Utilized in November 2009 by British sniper Corporal of Horse (CoH) Craig Harrison to establish a different document for the longest confirmed sniper kill in overcome, at a range of two,475 m (2,707 yd) (due to the fact 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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