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Christopher R. asked 1 year ago:
2 answers
SIG Sauer MPX 9mm Black AR-Style Pistol
Hi Christopher and welcome. M13.5×1 metric left hand thread pitch for their barrels. Cheers and stay safe!
James G.
1 year ago
Hi Christopher, the thread pitch is M13.5×1 LH Stay safe & have a great day!
Ed C.
1 year ago
