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I know it says it will fit the Sig MPX but will it also fit the MCX? — 2 Answers

by Tom, from FL, United States Asked on November 20, 2019

Name Elftmann Tactical AR-9 Straight Adjustable Trigger (5)
Currently Unavailable View Product
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A
Answered by Ethan C., Gear Expert, from IL, United States, on December 04, 2019

Yes, but the hammer weight is designed for 9mm rather than 5.56/.300BLK.

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A
Answered by Elftmann, member, from AZ, United States, on September 07, 2022

It will not fit the MCX

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Last updated 2025-11-12 UTC.