The loaded .338 cartridge is eight.6 mm (0.34 in) in diameter (rim) and 93.5 mm (three.sixty eight in) prolonged. It might penetrate greater-than-normal armed forces entire body armor at ranges of as much as one,000 metres (one,090 yd), and has a optimum effective number of about one,750 metres (1,910 yd) with C.I.P. conforming ammunition at sea level disorders. Muzzle velocity is depending on barrel length, seating depth, and powder demand, and differs from 880 to 915 m/s (2,890 to 338 lapua ballistics three,000 ft/s) for business loads with sixteen.2-gram (250 gr) bullets, which corresponds to about 6,525 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 extremely-low-drag bullets fired at 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 new record for that longest confirmed sniper eliminate in fight, at An array of 2,475 m (two,707 yd) (given that damaged).[4] In experiences, CoH Harrison mentions the environmental situations at Musa Qala were ideal for long-selection taking pictures: no wind, gentle temperature, and very clear visibility.
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