The .338 Lapua Magnum (8.6×70 mm or 8.58×70 mm) can be a rimless, bottlenecked, centerfire rifle cartridge. It had been formulated during the nineteen eighties for a significant-driven, lengthy-range cartridge for military snipers. Due to its use during the War in Afghanistan plus the Iraq War, the cartridge is becoming extensively available.

The loaded .338 cartridge is 8.six mm (0.34 in) in diameter (rim) and 93.five mm (3.sixty eight in) extended. It might penetrate much better-than-conventional navy entire body armor at ranges of nearly 1,000 metres (1,090 yd), and it has a highest effective variety of about one,750 metres (1,910 yd) with C.I.P. conforming ammunition at sea degree disorders. Muzzle velocity is dependent on barrel size, seating depth, and powder demand, and varies from 880 to 915 m/s (2,890 to 3,000 ft/s) for business loads with 16.2-gram (250 gr) bullets, which corresponds to about 6,525 J (four,813 ft⋅lbf) of muzzle energy.

British armed forces difficulty overpressure .338 Lapua Magnum cartridges with 70 mm (two.8 in) All round size, loaded here with sixteen.two-gram (250 gr) LockBase B408 pretty-reduced-drag bullets fired at 936 m/s (3,071 ft/s) muzzle velocity from a L115A3 Very long Range Rifle had been Utilized in November 2009 by British sniper Corporal of Horse (CoH) Craig Harrison to ascertain a completely new record for your longest confirmed sniper destroy in overcome, at A selection of 2,475 m (2,707 yd) (due to the fact damaged).[four] In stories, CoH Harrison mentions the environmental disorders at Musa Qala were great for long-variety capturing: no wind, gentle weather, and very clear visibility.






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