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Win 70 .270 to 30-06

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c4cobo
Joined: October 2021
Posts: 0
Posted: October 24, 2021 07:45 PM

I want to change the barrel of my win 70 .270. I been told that I can change it for a 30-06 barrel,  without any other changes, because both caliber has the same cartridge case size. 

 

so 

GunPartsCorp
Joined: August 2017
Posts: 6808
Posted: October 25, 2021 10:54 AM

 

  Most of the internal parts would interchange as the .270 Win. and 30-06 Springfield are both long action cartridges. The main differences would be in the barrel itself. The threads of the barrel have to be the same depending on if your firearm is a current production model 70 or an older Winchester. Also, if your firearm is a control round feed with a mauser type extractor then the barrel needs the appropriate cut-out.

  Remember, parts from the current production model 70 in South Carolina do not interchange with parts from earlier model 70's made in New Haven.