BBob
WKR
Depends on the throating reamer used. If using a PTG Uni-Throater (it has an integrated adjustable stop) then yes I’d consider doing it through the action. I have delrin bushing/guides made up to help center it in the action. If using a traditional throater I’d want to do it in the lathe.Random question as I don't know much about gunsmithing/chambering: can a freebore reamer be used through the action without removing the barrel? Curious if extending freebore is an involved activity or simple.
The PTG Uni-Throater has removable pilot bushing that can be sized to fit the bore. They do fine and stay concentric when just moving the throat forward. They cut extremely easy. That said I’d still prefer to do it in the lathe.without dialing in the barrel to be concentric to the bore
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