The .338 Lapua Magnum (8.6×70 mm or 8.fifty eight×70 mm) is actually a rimless, bottlenecked, centerfire rifle cartridge. It had been designed in the nineteen eighties to be a significant-driven, lengthy-range cartridge for army snipers. Because of its use while in the War in Afghanistan along with the Iraq War, the cartridge has grown to be broadly obtainable.

The loaded .338 cartridge is eight.6 mm (0.34 in) in diameter (rim) and ninety three.5 mm (three.sixty eight in) prolonged. It may penetrate far better-than-regular military overall body armor at ranges of up to 1,000 metres (one,090 yd), and has a utmost powerful selection of about one,750 metres (one,910 yd) with C.I.P. conforming ammunition at sea degree disorders. Muzzle velocity is dependent on barrel size, seating depth, and powder charge, and may get more info differ from 880 to 915 m/s (two,890 to 3,000 ft/s) for industrial masses with sixteen.two-gram (250 gr) bullets, which corresponds to about six,525 J (four,813 ft⋅lbf) of muzzle Power.

British armed service issue overpressure .338 Lapua Magnum cartridges with 70 mm (2.8 in) All round size, loaded with sixteen.two-gram (250 gr) LockBase B408 very-minimal-drag bullets fired at 936 m/s (three,071 ft/s) muzzle velocity from the L115A3 Extensive Variety Rifle have been Employed in November 2009 by British sniper Corporal of Horse (CoH) Craig Harrison to establish a brand new file for that longest verified sniper get rid of in combat, at a range of 2,475 m (two,707 yd) (due to the fact damaged).[four] In experiences, CoH Harrison mentions the environmental conditions at Musa Qala had been ideal for prolonged-array taking pictures: no wind, moderate temperature, and very clear visibility.






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