The loaded .338 cartridge is 8.six mm (0.34 in) in diameter (rim) and ninety three.5 mm (3.sixty eight in) extensive. It could possibly penetrate superior-than-typical army physique armor at ranges of up to 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 dependent on barrel length, seating depth, and powder demand, and differs here 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 army difficulty overpressure .338 Lapua Magnum cartridges with 70 mm (two.8 in) In general size, loaded with 16.two-gram (250 gr) LockBase B408 really-low-drag bullets fired at 936 m/s (three,071 ft/s) muzzle velocity from a L115A3 Extensive Array Rifle had been Employed in November 2009 by British sniper Corporal of Horse (CoH) Craig Harrison to ascertain a brand new history to the longest confirmed sniper eliminate in combat, at An array of 2,475 m (two,707 yd) (because broken).[four] In reviews, CoH Harrison mentions the environmental disorders at Musa Qala have been great for prolonged-range taking pictures: no wind, mild weather conditions, and distinct visibility.
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