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 armed service human body armor at ranges of approximately 1,000 metres (one,090 yd), and it has a greatest successful selection of about one,750 metres (one,910 yd) with C.I.P. conforming ammunition at sea degree circumstances. Muzzle velocity is depending on barrel size, seating depth, and powder charge, and may differ from 880 to 915 m/s (2,890 to 3,000 ft/s) for professional loads with sixteen.2-gram (250 gr) bullets, which corresponds to about 6,525 J (four,813 ft⋅lbf) of muzzle Vitality.
British army issue overpressure .338 Lapua Magnum cartridges with 70 mm (two.8 in) In general size, loaded with 16.two-gram (250 gr) LockBase B408 extremely-low-drag bullets fired at check here 936 m/s (three,071 ft/s) muzzle velocity from a L115A3 Very long Assortment Rifle were Employed in November 2009 by British sniper Corporal of Horse (CoH) Craig Harrison to establish a completely new report for your longest verified sniper destroy in beat, at A variety of two,475 m (2,707 yd) (considering the fact that broken).[four] In reviews, CoH Harrison mentions the environmental disorders at Musa Qala have been great for prolonged-range capturing: no wind, moderate climate, and apparent visibility.
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