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AR2201
.275 member

Reged: 31/08/05
Posts: 57
Loc: Oz

458 Win Mag - Actual Performance in DR
06/09/05 08:01 PM

I always thought that the 458 Winchester Magnum launched a 500gn projectile at 2,150fps.

But, I've been rummaging around and I'm just not seeing that. eg. Winchester currently lists a 510gn at 2050fps (and that's asking the bloke selling it to you).

Question 1:

What actual performance can be expected from a 458Win?

It is SAAMI rated to 53,000 CUP, but that would be for a bolt gun, would you go that hard in a DR? Pedersoli back their Kodiak to Malin 1895 levels (~45,000 CUP?), thats a big step down.

Question 2:

What performance level could you resonably expect to load the 458Win to in a DR?

AR2201

ps. assume 500gn projectiles out of 24" barrels

Post Extras

Entire topic
Subject	Posted by	Posted on
458 Win Mag - Actual Performance in DR	AR2201	06/09/05 08:01 PM
Re: 458 Win Mag - Actual Performance in DR	JPK	07/09/05 12:14 AM
Re: 458 Win Mag - Actual Performance in DR	AR2201	07/09/05 12:54 AM
Re: 458 Win Mag - Actual Performance in DR	clark7781	07/09/05 12:59 AM
Re: 458 Win Mag - Actual Performance in DR	JPK	07/09/05 02:23 AM
Re: 458 Win Mag - Actual Performance in DR	475Guy	07/09/05 07:09 AM
Re: 458 Win Mag - Actual Performance in DR	unspellable	07/09/05 08:02 AM
Re: 458 Win Mag - Actual Performance in DR	atkinson6	11/09/05 07:34 AM

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