The loaded .338 cartridge is 8.six mm (0.34 in) in diameter (rim) and 93.5 mm (three.68 in) extensive. It could possibly penetrate far better-than-standard armed service entire body armor at ranges of up to one,000 metres (one,090 yd), and has a greatest 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 six,525 J (four,813 ft⋅lbf) of muzzle Electrical power.
British armed forces challenge overpressure .338 Lapua Magnum cartridges with 70 mm (two.eight in) overall length, loaded with 16.2-gram (250 gr) LockBase B408 really-lower-drag bullets fired at 936 m/s (three,071 ft/s) muzzle velocity from the L115A3 Extensive Range Rifle had been used in November 2009 by British sniper Corporal of Horse (CoH) Craig Harrison to ascertain a whole new report for that longest verified sniper eliminate in beat, at An array of two,475 m (two,707 yd) (due to the fact damaged).[4] In studies, CoH Harrison mentions the environmental problems get more info at Musa Qala have been ideal for extended-assortment capturing: no wind, mild weather, and clear visibility.
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