That 257-270 WSM what bullet is it shooting and how fast? I think that would be a cool setup for the 131 blackjack bullets.I do not know you but I live in an area where we have goats, deer, so I think I would make a 257 Roberts improved if it's a medium action, if its a short action I would make a 338-08. just because I like being different. if it has a magnum bolt face.. I would definitely go with a 1:8" twist for a heavy 270 WSM or a 257-270 WSM with a heavy twist. I have seen my hunting buds do this and it turned out phenomenal for deer and speed goats. also they are very good for getting people to say "What the hell is that?"
I am thinking of doing the same, have a 30-06 T3 stainless I bought at a mint just for the action and plan to rebarrel into something else. Have .17, .20, .243 and 6.5 covered. Would like to shoot the Berger 80.5 gr to 90 gr SMK. Just not sure if there is a twist and throat that can cover that range. Just found out that Hawk Hill barrel makers are just down the road from me so interested in dealing with them.So I got this like new tikka ctr t3x 6.5 creed sitting here with no purpose in life. Looking to do something with it and need some help on caliber selection. Already got 6.5 covered, already got 6 covered already got 30 cal covered, so that leaves me thinking of maybe a 22 creedmoor. Need some help deciding so I can order me a barrel!
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Hornady, Alpha and Peterson is making brass for the 22 Creedmoor. Have read of early pressure signs in the Alpha SRP brass.22- 250 begs to be Ackeyized. But I'm not sure there is a difference between that and 22 Creedmoore.
Now there is Alpha Munitions 25 Creedmoore brass you can neck down. They're brass is almost if not as good as Lapua.