The loaded .338 cartridge is eight.6 mm (0.34 in) in diameter (rim) and ninety three.5 mm (3.68 in) prolonged. It could penetrate superior-than-typical army system armor at ranges of approximately one,000 metres (1,090 yd), and has a most efficient number of about 1,750 metres (1,910 yd) with C.I.P. conforming ammunition at sea stage conditions. Muzzle velocity is depending on barrel duration, seating depth, and powder charge, and differs from 880 to 915 m/s (two,890 to 3,000 ft/s) for business hundreds with sixteen.2-gram (250 gr) bullets, which corresponds to about 6,525 J (4,813 ft⋅lbf) of muzzle energy.
British armed forces challenge overpressure .338 Lapua Magnum cartridges with 70 mm (two.eight in) General length, loaded with 16.2-gram (250 gr) LockBase B408 incredibly-low-drag bullets fired at 936 m/s (3,071 ft/s) muzzle velocity from a L115A3 Lengthy Selection Rifle ended up Employed in November 2009 by British sniper Corporal of Horse (CoH) Craig Harrison to determine a click here new document for your longest confirmed sniper destroy in overcome, at A variety of 2,475 m (2,707 yd) (because broken).[four] In experiences, CoH Harrison mentions the environmental disorders at Musa Qala were being ideal for prolonged-selection shooting: no wind, mild weather, and distinct visibility.
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