The .338 Lapua Magnum (eight.6×70 mm or 8.58×70 mm) is usually a rimless, bottlenecked, centerfire rifle cartridge. It was created over the nineteen eighties to be a superior-run, extensive-range cartridge for military snipers. As a result of its use while in the War in Afghanistan along with the Iraq War, the cartridge is becoming broadly offered.

The loaded .338 cartridge is 8.6 mm (0.34 in) in diameter (rim) and ninety three.five mm (3.68 in) lengthy. It could penetrate better-than-standard military services system armor at ranges of as many as one,000 metres (1,090 yd), and it has a utmost successful selection of about one,750 metres (one,910 yd) with C.I.P. conforming ammunition at sea degree 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 sixteen.two-gram (250 gr) bullets, which corresponds to about 6,525 J (four,813 ft⋅lbf) of muzzle Strength.

British army issue overpressure .338 Lapua Magnum cartridges with 70 mm (two.8 in) In general size, loaded with 16.two-gram (250 gr) LockBase B408 extremely-small-drag bullets fired at 936 m/s (three,071 ft/s) muzzle velocity from a L115A3 Very long Assortment Rifle were Utilized 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, read more at A variety 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 obvious visibility.






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