The loaded .338 cartridge is 8.6 mm (0.34 in) in diameter (rim) and ninety three.five mm (3.68 in) long. It may possibly penetrate improved-than-conventional military services overall body armor at ranges of as many as 1,000 metres (1,090 yd), and it has a utmost powerful array of about 1,750 metres (one,910 yd) with C.I.P. conforming ammunition at sea stage situations. Muzzle velocity is dependent on barrel duration, seating depth, and powder cost, and varies from 880 to 915 m/s (two,890 to 3,000 ft/s) for commercial hundreds with 16.2-gram (250 gr) bullets, which corresponds to about six,525 J (4,813 ft⋅lbf) of muzzle energy.
British armed service situation overpressure .338 Lapua Magnum cartridges with 70 mm (2.eight in) All round length, loaded with sixteen.2-gram (250 gr) LockBase B408 pretty-lower-drag bullets fired at 936 m/s (3,071 ft/s) muzzle velocity from the L115A3 Extended Variety Rifle were being Utilized in November 2009 338 lapua ballistics by British sniper Corporal of Horse (CoH) Craig Harrison to establish a different file to the longest confirmed sniper destroy in overcome, at A selection of two,475 m (two,707 yd) (considering that broken).[four] In reports, CoH Harrison mentions the environmental disorders at Musa Qala ended up ideal for prolonged-vary taking pictures: no wind, gentle temperature, and very clear visibility.
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