• Watch Out for Scammers!

    We've now added a color code for all accounts. Orange accounts are new members, Blue are full members, and Green are Supporters. If you get a message about a sale from an orange account, make sure you pay attention before sending any money!

7mm to 257

M.D.K.

Sergeant
Full Member
Minuteman
Nov 5, 2009
243
2
Pinedale WY
hey guys,
kind of a technical question, but i just picked up a remington 700 7mm rem mag for next to nothing and i was looking at re barreling it to 257 weatherby and i was wondering if thats possible with the current bolt?
 
Re: 7mm to 257

is the 257 a smaller diameter base than the 7mm? will the bolt face need to be changed?
 
Re: 7mm to 257

no, if it were, the answer above would have been "no".
wink.gif
 
Re: 7mm to 257

Most mid-bore magnums have a 0.523" diameter cartridge head. 7mm Rem Mag and .257 Weatherby Mag fall into this class. (or is it .532"? I can't remember for sure)
 
Re: 7mm to 257

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Natty Bumpo</div><div class="ubbcode-body">Most mid-bore magnums have a 0.523" diameter cartridge head. 7mm Rem Mag and .257 Weatherby Mag fall into this class. (or is it .532"? I can't remember for sure) </div></div>

Standard Magnum boltface .532"