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Question about suppressor install


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Still a newbie here and it seems that I have only been able to find suppressor install info for the earlier Sig 522's produced with the threaded barrels. I recently bought a 522 and want to add a suppressor to it but my barrel had no threads on it. What have you guys done to make a suppressor work on it?


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My guess is it has the heavy barrel installed. My sig 522 came with 2 barrels. A 16" threaded skinny barrel with flash hider and a heavy 18" non threaded barrel.

You will have to send or take the barrel to a gunsmith to get it threaded for a suppressor. A place like Adco.com can do this for you for about $70 plus shipping. Do you have a suppressor already??

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  • 4 weeks later...

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