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Proof 308 barrel into 300 win?

Lieutenantdan

Private
Minuteman
Sep 4, 2022
1
0
Mississippi
Hey guys I’m new to this forum and I’m looking for a little guidance. I recently purchased a new 24” carbon fiber proof research barrel in 308 cal however, its uncut and will need to be milled to fit an action. Can I have a gunsmith chamber it for 300 wsm even though the barrel is marked 308? I own a Defiance GA hunter short action and was going to use this for the build. Any incite on this would be greatly appreciated.
 

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