Im going to have the heavy barrel on my xcr l 223 turned down in an attempt to lighten her up. Anyone have the measurements of the factory light barrel? I'm not having it turned to exactly the same size but the factory measurements would give me a minimum go to safe diameter . I will post the results of the effects of doing this, if accuracy is lost I'll just go ahead and pick up a new light weight barrel.Thanks.
XCR light barrel profile
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