The loaded .338 cartridge is eight.6 mm (0.34 in) in diameter (rim) and ninety three.five mm (three.68 in) extended. It might penetrate far better-than-normal armed forces physique armor at ranges of as much as one,000 metres (one,090 yd), and has a optimum efficient selection of about one,750 metres (one,910 yd) with C.I.P. conforming ammunition at sea degree circumstances. 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 sixteen.2-gram (250 gr) bullets, which corresponds to about six,525 J (four,813 ft⋅lbf) of muzzle Power.
British military difficulty overpressure .338 Lapua Magnum cartridges with 70 mm (2.8 in) Over-all size, loaded with 16.two-gram (250 gr) LockBase B408 really-reduced-drag bullets fired at 936 m/s (three,071 ft/s) muzzle velocity from a L115A3 Lengthy Vary Rifle have been used 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 two,475 m (2,707 yd) (due to the fact click here broken).[four] In reviews, CoH Harrison mentions the environmental disorders at Musa Qala have been great for extended-range capturing: no wind, mild climate, and clear visibility.
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