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AR15.COM
6/11/2024 9:25:44 PM EDT
Looking at sending in some URGI parts for a pin & weld but as shown in the below photo, over half the threads are damaged (flattened).  I would like to use a suppressor in the future so want to make sure the mount is "straight"?  I know I need the Surefire muzzle device pinning service, but what should I select service wise for checking/fixing the threads?  The standard barrel threading service?


6/12/2024 8:21:15 AM EDT
[Last Edit: bigbore][Edited] [#1]
If you are going to mount a suppressor, the only way to do that right is chop all the existing threads off and re thread the shortened barrel.
I'm no good at telling people what they want to hear when I dont believe it myself :)
6/12/2024 8:25:28 AM EDT
[#2]
Quote History
Originally Posted By bigbore:
If you are going to mount a suppressor, the only way to do that right is chop all the existing threads of and re thread the shortened barrel.
View Quote

This, but if you don't have enough length to get to 16 after that i would test mount the device and can and check alignment before pinning.
6/12/2024 9:38:18 PM EDT
[#3]
Ok, thank you both for those recommendations.  Now I am off to play the math game to see if an RC556 will clear the Mk16 rail on the shortened barrel.

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