The loaded .338 cartridge is 8.6 mm (0.34 in) in diameter (rim) and 93.five mm (three.68 in) lengthy. It may possibly penetrate improved-than-normal armed forces physique armor at ranges of as much as one,000 metres (one,090 yd), and has a maximum effective number of about one,750 metres (1,910 yd) with C.I.P. conforming ammunition at sea amount ailments. Muzzle velocity is depending on barrel length, seating depth, and powder demand, and differs from 880 to 915 m/s (2,890 to three,000 ft/s) for industrial loads with sixteen.2-gram (250 gr) bullets, which corresponds to about six,525 J (four,813 ft⋅lbf) of muzzle Vitality.
British military difficulty overpressure .338 Lapua Magnum cartridges with 70 mm (2.8 in) Over-all size, loaded with sixteen.two-gram (250 gr) LockBase B408 extremely-low-drag bullets fired at 936 m/s (three,071 ft/s) muzzle velocity from a L115A3 Extensive Selection Rifle had been Employed in November 2009 by British sniper Corporal of Horse (CoH) Craig Harrison to ascertain a new report for your longest verified sniper destroy in combat, at A selection of 2,475 m (2,707 yd) (since damaged).[four] In studies, CoH Harrison mentions the environmental conditions at Musa Qala ended up perfect for extended-array taking more info pictures: no wind, gentle temperature, and very clear visibility.
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