trigger kit


Sig Sauer MPX 13
UPDATE: When this article was first published in June 2015, SIG Sauer’s official position was that installing an aftermarket trigger in a SIG MPX would void the warranty. They have since changed that position. Aftermarket triggers no longer void the warranty, though SIG won’t be responsible for any damage to aftermarket […]

Will Upgrading the Sig Sauer MPX to an AR-15 Trigger ...