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.
Latest from the Blog
Ultimate Partisan Disruptor Legal Guide 2025-2026 (Federal vs. State)
Ultimate Guide to Tuning the Delta Velocity Gen2 3MR Trigger
Delta Velocity Gen2 3MR: The Ultimate Installation Guide
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Customer Reviews
“The Disruptor installed in minutes and completely transformed my AR‑15. Smooth and lightning fast!”
“Firearm Systems’ customer service is top‑notch. The FRT exceeded my expectations.”
“Finally a drop‑in trigger that delivers on performance without breaking the bank.”