The loaded .338 cartridge is eight.6 mm (0.34 in) in diameter (rim) and ninety three.5 mm (three.sixty eight in) very long. It may penetrate better-than-typical armed forces body armor at ranges of as many as 1,000 metres (1,090 yd), and it has a optimum productive array 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 hundreds with 16.2-gram (250 gr) bullets, which corresponds to about 6,525 J (four,813 ft⋅lbf) of muzzle energy.
British navy issue overpressure .338 Lapua Magnum cartridges with 70 mm (2.8 in) Over-all duration, loaded with 16.2-gram (250 gr) LockBase B408 really-very low-drag bullets fired at read more 936 m/s (three,071 ft/s) muzzle velocity from the L115A3 Lengthy Assortment Rifle ended up Employed in November 2009 by British sniper Corporal of Horse (CoH) Craig Harrison to determine a brand new document to the longest verified sniper eliminate in battle, at An array of two,475 m (two,707 yd) (considering the fact that damaged).[four] In stories, CoH Harrison mentions the environmental disorders at Musa Qala were great for long-range shooting: no wind, moderate temperature, and clear visibility.
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