The loaded .338 cartridge is 8.six mm (0.34 in) in diameter (rim) and ninety three.5 mm (three.sixty eight in) extended. It can penetrate superior-than-regular armed service physique armor at ranges of nearly 1,000 metres (1,090 yd), and has a most successful number of about 1,750 metres (1,910 yd) with C.I.P. conforming ammunition at sea degree disorders. Muzzle velocity is dependent on barrel length, seating depth, and powder cost, and differs from 880 to 915 m/s (two,890 to three,000 ft/s) for commercial loads with 16.2-gram (250 gr) bullets, which corresponds to about 6,525 J (four,813 ft⋅lbf) of muzzle Electrical power.
British army situation overpressure .338 Lapua Magnum cartridges with 70 mm (two.eight in) In general duration, loaded with 16.two-gram (250 gr) LockBase B408 extremely-lower-drag bullets fired at 936 m/s (three,071 ft/s) muzzle velocity from a L115A3 Very long Vary Rifle were get more info used in November 2009 by British sniper Corporal of Horse (CoH) Craig Harrison to establish a fresh file for that longest verified sniper eliminate in battle, at A selection of two,475 m (2,707 yd) (considering that broken).[4] In studies, CoH Harrison mentions the environmental situations at Musa Qala had been perfect for long-range taking pictures: no wind, delicate weather conditions, and very clear visibility.
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