Posted February 17, 2017 4:47 pm by Comments

By AmmoLand Editor Duncan Johnson

.458 Winchester Magnum Ammunition

By David Tong
David gives AmmoLand readers a short history and review of the .458 Winchester Magnum cartridge.

.458 Winchester Magnum Ammunition

AmmoLand Gun News
AmmoLand Gun News

USA – -( -( the British firm Kynoch, part of Imperial Chemical Industries, had a long history of supplying the very-well-heeled clients with “Flanged” (rimmed) cartridges for single-shot and double-rifles, as well as rimless cartridges for repeating rifles through the late 1940s.

It was Winchester who seized upon the opportunity to produce a new dangerous game round for their Model 70 bolt-action hunting rifle, essentially duplicating the power of the British “Express” rounds in a standard-length case.

.458 Winchester Magnum

The new round, the .458, was introduced with great fanfare in 1956. Claimed standard ballistics were a soft-point or solid (full-metal-jacket with steel insert) bullet of 500gr at 2,150fps. The round is essentially a straight-cased and shortened .375 H&H Magnum case, and its 2.5” overall length is better-suited than the .375’s 2.85” is for a bolt-action rifle of reasonable size and weight.

<img src="×600.jpg?3d143e" alt="458 Lott, .375 H&H, and 458 Win." width="509" height="600" srcset="×600.jpg 509w,×265.jpg 225w,×531.jpg 450w,×905.jpg 768w,×590.jpg 500w, 1000w" …Read the Rest

Source:: AmmoLand

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