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Questions & Answers
Customer Reviews
Helpful Positive Review
Issue resolved by Triggertech service by T6, Verified Owner, July 2, 2023
I had this trigger also break / fail after 40 rounds. I sent a video of the trigger to Triggertech which they promptly sent me a return label and replacement trigger which has has zero function issues. Similar to another review, mine did break, but...
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4/4 found this helpful
Helpful Negative Review
I bought this trigger even though it cost $279.00 because I have other Triggertech triggers in my precision rifles that are really great. That said I had absolute confidence in this trigger when I bought it. After installation and multiple safety/fun...
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2/2 found this helpful
Most Recent Reviews
MPX Trigger by Funguy, Verified Owner, January 20, 2026
Easy to install and adjust. Tightened groups, crisp trigger.
Most Recent Reviews
I bought this trigger and made sure to install it correctly, and at first I loved how crisp it was. But then the sear broke after a few double taps. I contacted TriggerTech, who then sent me a new one to replace it. Same issue, and the trigger broke ...
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3/3 found this helpful
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Product Info for Triggertech Adaptable Sig MPX Two-Stage Trigger

TriggerTech has developed and finely tuned three Pistol Caliber Carbine triggers to enhance the accuracy and precision of your rifle. Each model has unique specs and features designed for their specific platform.image

Intended Use: Competition, precision shooting, harsh environments, law enforcement, target shooting.

The SIG MPX trigger features a bumper in the housing that transfers the majority of the blow back energy to the lower receiver. This was designed with safety in mind and helps to protect the trigger.

Our Pistol Caliber Carbine Triggers are built for top competitive shooters to offer the most accurate and dependable trigger on the market. Featuring Zero Creep Technology™, this drop-in trigger has a short, two-stage action, designed to feel like a 1911 trigger, that provides a true zero-creep break, extremely short overtravel, a sub 0.015" tactical reset and offers outstanding reliability, even in the harshest environments. Utilizing CLKR Technology™, the pull weight is quickly and confidently adjusted in 2oz increments from a set screw with the trigger installed. Due to there being truly zero creep, most shooters report the pull weights feeling ~0.5lbs lighter than a friction-based trigger of the same measured pull weight. Changing the pull weight does not affect hammer force so you get dependable primer strikes at every weight. Frictionless Release Technology™, along with hardened 440C stainless steel internal components ensure corrosion resistance and an extended service life. As Zero Creep Technology™ does not rely on coating, polishing or lubricating the key engagement surfaces, trigger pulls will be more consistent from shot to shot and after thousands of shots than you ever thought possible.

All pull weights and measurements are approximate.

The installation guide is directed to experienced professional gunsmiths who understand the workings of their AR rifle and know how to fully detail strip the lower receiver. If you do not have these skills, we strongly suggest you retain the services of a competent professional gunsmith to install your trigger and perform all important safety checks.

Specifications for Triggertech Adaptable Sig MPX Two-Stage Trigger:

Manufacturer: Triggertech
Trigger Pull Weight: 3.5 - 6 lb
Trigger Pin Size: Mil-Spec
Gun Make: SIG Sauer
Gun Model: SIG Sauer MPX
Additional Features: Zero Creep Technology, CLKR Technology, Frictionless Release Technology
Condition: New

Package Contents:

  • Triggertech Adaptable Sig MPX Two-Stage Trigger

Triggertech Adaptable Sig MPX Two-Stage Trigger Orderable Models

List of Orderable Models

  • Triggertech SIG MPX Adaptable Trigger, Curved, 3.5-6 lbs., Black, ARP-TBB-36-NNC , MPN: ARP-TBB-36-NNC , UPC: 885768002257 , Code: 554-TGR-SMPXB-ARP-TBB-36-NNC
  • Triggertech SIG MPX Adaptable Trigger, Flat, 3.5-6 lbs., Black, ARP-TBB-36-NNF , MPN: ARP-TBB-36-NNF , UPC: 885768002264 , Code: 554-TGR-SMPXB-ARP-TBB-36-NNF

Triggertech Adaptable Sig MPX Two-Stage Trigger Unavailable & Discontinued Models

List of Unorderable Models

  • USED Triggertech SIG MPX Adaptable Trigger, Flat, 3.5-6 lbs., Black, ARP-TBB-36-NNF, EDEMO1, Condition Parts Only/Salvage, Defective , MPN: ARP-TBB-36-NNF-EDEMO1 , Code: 554-TGR-SMPXB-ARP-TBB-36-NNF-EDEMO-DF-F
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