My stainless M77 Mk2 458 is as slick as any rifle action that anyone has ever cycled. I had the rifle built in 95. I've put around 2,000 rounds of ammo down the barrel. And the action has been cycled probably less than 10,000 times. But possibly that many. I had ascertained that that rifle in 338 win mag would cycle 458 Winchester and 416 Taylor slick as could be. So I didn't allow the gs to touch the action other than to put a barrel and an under barrel recoil lug on it. I did have him put sights on it. Something I regret to this day. I really like nice express sights and arpeture sights that are quality , and put on correctly. .
I do not like some idiot drilling holes too deep in the barrel.
I understand the desire for a wildcat or something just different. But until you go whole hog up to 2400 fps with a 500 gr bullet . You won't get any more quick killing ability than the SAAMI 458 Winchester Magnum. And the 458 Winchester feeds slick as can be.
Last edited by ColdTriggerFinger; 12/10/21.
