The .338 Lapua Magnum (8.six×70 mm or eight.fifty eight×70 mm) is actually a rimless, bottlenecked, centerfire rifle cartridge. It had been formulated during the 1980s like a substantial-driven, prolonged-selection cartridge for armed service snipers. As a consequence of its use in the War in Afghanistan and the Iraq War, the cartridge has become widely available.

The loaded .338 cartridge is eight.six mm (0.34 in) in diameter (rim) and ninety three.5 mm (3.sixty eight in) very long. It could possibly penetrate superior-than-typical navy human body armor at ranges of around 1,000 metres (one,090 yd), and it has a optimum efficient range of about one,750 metres (1,910 yd) with C.I.P. conforming ammunition at sea website level disorders. Muzzle velocity is depending on barrel length, seating depth, and powder demand, and differs from 880 to 915 m/s (2,890 to three,000 ft/s) for business loads with sixteen.2-gram (250 gr) bullets, which corresponds to about 6,525 J (four,813 ft⋅lbf) of muzzle Vitality.

British army difficulty overpressure .338 Lapua Magnum cartridges with 70 mm (two.8 in) In general size, loaded with 16.two-gram (250 gr) 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 establish a completely new file for the longest verified sniper kill in battle, at A variety of two,475 m (2,707 yd) (considering the fact that broken).[four] In reviews, CoH Harrison mentions the environmental disorders at Musa Qala have been great for extended-vary capturing: no wind, moderate climate, and distinct visibility.






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