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Diameter of just right carbine barrel?

Are all the barrels the same outside diameter across the different calibers or not? 

Update:

I mean the barrel profile not the threads. If the threads went from edge to edge, muzzle brakes and thread protectors would be huge in comparison to the barrel profile

4 Answers

Relevance
  • 4 weeks ago

    The outside diameter of the barrel "barrel profile" is in fact .750 for all of the barrels

    Source(s): Bought to barrels and put my .750 clamp site on one and then the other
  • ?
    Lv 7
    3 months ago

    My target pistol is 1” so no they are not the same 

  • Anonymous
    3 months ago

    No, all barrels are not the same.

  • C T M
    Lv 7
    3 months ago

    No, the 40SW & 10mm barrels are 9/16". 9mm and 357Sig are 1/2", and 45ACP is 37/64". 

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