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I'm thinking about buying a Thompson Center Pro Hunter Pistol. I've done all the research on converting a pistol to rifle and back to pistol. ATF says it is OK as long as you start with a pistol and don't configure a SBR. So my question is, does anyone know for fact if I can buy a Pro Hunter stock, forearm, and rifle barrel and put them on the pistol frame? Do they fit? I'm trying to save some money and effectively get both a pistol and a rifle with one "firearm" purchase. I am assuming the frame is actually identical between the pistol and the rifle but don't know that for sure.

thanks,

Frames are identical so the buttstock will fit with no issues.

Forearm, I'd tell your barrel maker to make the forearm screw spacing for a rifle. Personally, I'd have the dovetail locks TC uses on their shotgun barrels, MGM will do this, or go with Steve Stratton's hanger bar system. I've seen more than a few barrels where the forearm screws have bent or pulled out from recoil.

Thank you for the response. The rifle barrel will be in 460 S&W magnum. I will get a rifle forearm for that. I'm not sure on the pistol yet. Maybe a 357 Maximum or possibly 300 blackout.