The loaded .338 cartridge is 8.six mm (0.34 in) in diameter (rim) and 93.five mm (3.sixty eight in) prolonged. It might penetrate much better-than-regular military physique armor at ranges of nearly one,000 metres (one,090 yd), and has a highest powerful choice of about 1,750 metres (one,910 yd) with C.I.P. conforming ammunition at sea amount problems. Muzzle velocity is depending on barrel length, seating depth, and powder demand, and differs from 880 to 915 m/s (2,890 to 3,000 ft/s) for industrial masses with 16.2-gram (250 gr) bullets, which corresponds to about 6,525 J (4,813 ft⋅lbf) of muzzle Power.
British armed forces situation overpressure .338 Lapua Magnum cartridges with 70 mm (2.eight in) In general duration, loaded with sixteen.2-gram (250 gr) LockBase B408 pretty-lower-drag bullets fired at 936 m/s (3,071 ft/s) muzzle velocity from the L115A3 Very long Range Rifle have been Utilized in November 2009 by British sniper Corporal of Horse (CoH) more info Craig Harrison to ascertain a different history for the longest confirmed sniper eliminate in combat, at A variety of 2,475 m (2,707 yd) (considering that damaged).[four] In experiences, CoH Harrison mentions the environmental situations at Musa Qala ended up great for very long-array capturing: no wind, delicate climate, and apparent visibility.
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