The loaded .338 cartridge is eight.6 mm (0.34 in) in diameter (rim) and 93.five mm (three.sixty eight in) extended. It may penetrate far better-than-normal armed forces physique armor at ranges of as much as one,000 metres (one,090 yd), and has a maximum effective number of about one,750 metres (1,910 yd) with C.I.P. conforming ammunition at sea amount ailments. Muzzle velocity is dependent on barrel length, seating depth, 338 lapua magnum ballistics and powder demand, and differs from 880 to 915 m/s (2,890 to three,000 ft/s) for industrial loads with sixteen.2-gram (250 gr) bullets, which corresponds to about six,525 J (four,813 ft⋅lbf) of muzzle Power.
British military challenge overpressure .338 Lapua Magnum cartridges with 70 mm (2.eight in) Total length, loaded with sixteen.2-gram (250 gr) LockBase B408 very-very low-drag bullets fired at 936 m/s (3,071 ft/s) muzzle velocity from the L115A3 Extended Range Rifle were being Utilized in November 2009 by British sniper Corporal of Horse (CoH) Craig Harrison to determine a whole new document with the longest confirmed sniper get rid of in overcome, at a range of 2,475 m (two,707 yd) (considering that broken).[4] In experiences, CoH Harrison mentions the environmental circumstances at Musa Qala ended up perfect for very long-assortment taking pictures: no wind, mild weather conditions, and distinct visibility.
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