The loaded .338 cartridge is eight.6 mm (0.34 in) in diameter (rim) and ninety three.5 mm (three.sixty eight in) prolonged. 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 efficient choice of about 1,750 metres (1,910 yd) with C.I.P. conforming ammunition at sea stage conditions. Muzzle velocity is dependent on barrel size, seating depth, and powder demand, and varies from 880 to 915 m/s (2,890 to three,000 ft/s) for professional loads with 16.2-gram (250 gr) bullets, which corresponds to about six,525 J (four,813 Savage 338 Lapua ft⋅lbf) of muzzle Power.
British navy difficulty overpressure .338 Lapua Magnum cartridges with 70 mm (2.8 in) Total duration, loaded with sixteen.two-gram (250 gr) LockBase B408 extremely-lower-drag bullets fired at 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 fresh file for that longest verified sniper get rid of in beat, at a range of two,475 m (two,707 yd) (since broken).[four] In experiences, CoH Harrison mentions the environmental circumstances at Musa Qala had been perfect for lengthy-assortment shooting: no wind, mild weather, and distinct visibility.
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