DarylS
(.700 member)
13/11/19 04:55 AM
Re: 458 win mag in 458 Lott.
Those ballistics are just slightly higher than my Mauser .458 2" using either 66gr. IMR4320 or 68gr. H335, both averaging 2,060fps with 510gr. Winchesters. The chamber had a 3/8" freebore, so I was able to seat the bullets out at bit.