Will the MPX Break Your FRT?

Published on March 17, 2026
Duration: 0:38

This video from CF Clips discusses a potential issue with the SIG Sauer MPX firearm and its compatibility with FRT (Forced Reset Trigger) triggers. The core problem identified is the MPX's heavy bolt, which can reportedly damage or break FRT triggers due to the force of the bolt carrier group impacting the hammer. This insight comes from direct communication with FRT manufacturers, who have confirmed the MPX's harshness on their triggers.

Quick Summary

FRT manufacturers have confirmed that the SIG Sauer MPX's heavy bolt can break their triggers. The forceful cycling of the MPX's bolt carrier group reportedly smashes the FRT trigger's hammer, leading to damage. This highlights a specific compatibility concern for users of both the MPX and FRT triggers.

Chapters

  1. 00:00MPX & FRT Trigger Issue Explained
  2. 00:11Mechanism of FRT Breakage
  3. 00:23FRT Manufacturer Confirmation
  4. 00:30Speaker's Surprise at MPX Harshness

Frequently Asked Questions

Can the SIG Sauer MPX break an FRT trigger?

Yes, according to FRT manufacturers, the SIG Sauer MPX's heavy bolt can be so forceful that it smashes the hammer of an FRT trigger, potentially causing it to break. This issue has been confirmed through direct communication with FRT companies.

Why is the SIG Sauer MPX potentially harmful to FRT triggers?

The primary reason is the MPX's heavy bolt carrier group. When this heavy component cycles, its impact on the FRT trigger's hammer is reportedly severe enough to cause damage or breakage, a concern raised by FRT manufacturers themselves.

What did FRT manufacturers say about the MPX and their triggers?

FRT manufacturers have confirmed that the SIG Sauer MPX is particularly harsh on their triggers. They specifically cited the MPX's heavy bolt as the cause for potential breakage, indicating a known compatibility issue.

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