The loaded .338 cartridge is eight.six mm (0.34 in) in diameter (rim) and ninety three.5 mm (3.sixty eight in) extensive. It may possibly penetrate superior-than-typical navy human body armor at ranges of around 1,000 metres (one,090 yd), and it has a highest successful array of about 1,750 metres (1,910 yd) with C.I.P. conforming ammunition at sea amount ailments. Muzzle velocity is dependent on barrel length, seating depth, and powder demand, and differs from 880 to 915 m/s (two,890 to three,000 ft/s) for industrial hundreds with sixteen.two-gram (250 gr) bullets, which corresponds to about 6,525 J (4,813 ft⋅lbf) of muzzle Electrical power.
British military services challenge overpressure .338 Lapua Magnum cartridges with 70 mm (2.eight in) Over-all size, loaded with sixteen.two-gram (250 gr) check here LockBase B408 extremely-low-drag bullets fired at 936 m/s (three,071 ft/s) muzzle velocity from a L115A3 Very long Assortment Rifle were Employed in November 2009 by British sniper Corporal of Horse (CoH) Craig Harrison to ascertain a new report to the longest verified sniper destroy in combat, at A selection of 2,475 m (2,707 yd) (because damaged).[4] In stories, CoH Harrison mentions the environmental situations at Musa Qala were being ideal for long-selection shooting: no wind, gentle temperature, and very clear visibility.
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