458 Winchester Magnum 500gr. Brass Monolithic


Some of our 45/70 (High Power) loyalists have requested that Steinel look into offering at least one load for the venerable 458 Winchester Magnum. It didn’t take long for our team to get to work on what would be our first “Steinel Custom” offering. This 500gr. monolithic, brass bullet is driven just shy of 2,100fps from a 24″ barrel. This is THE performance standard you should demand from your 458 Win Mag.

As you know—this caliber is not designed for distance. This round, in particular, delivers unparalleled penetration on thick-skinned game from the largest of the common .458″ calibers. Whether your trip is to the Dark Continent or to your local range, this Steinel Custom round delivers exceptional performance, consistency, and reliability. It is loaded by a passionate Steinel operator, often on a battery of single stage presses.

20 Rounds

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Additional information

Weight 2.55 lbs
Dimensions 3.5 × 7.30 × 3.5 in

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