Premium AR‑15 & Reset Trigger Systems

Engineered for speed, precision and reliability – made in the USA.

Delta Velocity Gen1 3MR

Assisted‑reset, 3‑mode drop‑in trigger with Safe, Semi and Positive 3rd Mode. 4.5‑lb pull weight, zero overtravel and made in America.

Delta Velocity Gen2 3MR

Next‑gen 3‑mode trigger for AR‑15/AR‑10 with lightning‑fast resets, NP3‑coated components, ambidextrous selector and ATF‑approved design.

Partisan Disruptor FRT

Drop‑in forced reset trigger featuring Safe/Semi/FRT positions, heat‑treated 4140 & S7 steel, and rapid reset for faster follow‑up shots.

Why Choose Firearm Systems?

Precision Engineering

Meticulously machined components with NP3 and nickel‑Teflon coatings for long‑lasting performance and smooth pulls.

Fast Resets

Assisted and forced reset technology delivers positive resets, zero overtravel and faster split times for competitive edge.

ATF Compliance

Our triggers are non‑NFA and include compliance letters, ensuring legal peace of mind for shooters across the U.S.

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Ultimate Guide to Tuning the Delta Velocity Gen2 3MR Trigger

Fine-tuning the Delta Velocity Gen2 3MR trigger can significantly enhance your shooting experience, offering smoother pulls and more ...

Delta Velocity Gen2 3MR: The Ultimate Installation Guide

If you are looking to upgrade your AR-15 or AR-10 with the Delta Velocity Gen2 3MR trigger, you ...

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Customer Reviews

“The Disruptor installed in minutes and completely transformed my AR‑15. Smooth and lightning fast!”

– J. Stevens

“Firearm Systems’ customer service is top‑notch. The FRT exceeded my expectations.”

– A. Ramirez

“Finally a drop‑in trigger that delivers on performance without breaking the bank.”

– M. Johnson