Bringing this post back from the past...I'm interested in a 221 FB AI version of some sorts to fit the Lapua brass. Plan on shooting 40gr bullets, but want the most splat factor I can get. Anyone built a fast twist ( 1-10 or so) 221FB and if so how did it perform?
I have several exotics, some that require quite a bit of brass prep. I'm thinking a load and shoot 221FB would work well for closer range PD's...
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"I used to wear barrels out fretting over a bunch of things that don't amount to a rats petutie."
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