The ARC-Fire Trigger Ambi Kit is one of the most advanced forced-reset fire control systems available today. Engineered for shooters who demand speed, control, and reliability, this kit uses AS Designs’ cutting-edge Active Reset Clutch (ARC) technology to deliver lightning-fast mechanical trigger resets—giving you the fastest semi-automatic follow-up shots possible while maintaining full mechanical safety and consistency.
Perfect for AR-15 builders, performance shooters, and anyone looking to upgrade their rifle with a premium reset-enhancing system, this ambidextrous design works seamlessly for both right-handed and left-handed users.
At FTA Tactical, we provide only high-quality FRT-style systems backed by strong vendor relationships, fast shipping, and dedicated industry support.
The ARC mechanism forces a hard, mechanical reset immediately after firing.
Enables extremely rapid, controlled follow-up shots.
Reliable under heat, pressure, and sustained use.
Three-position selector: SAFE, SEMI, and ARC Mode.
Smooth, positive engagement from either side.
Ideal for left-handed shooters, tactical transitions, and competitive use.
Constructed using premium, heat-treated steels:
M2 Tool Steel (components are DLC-coated for extreme wear resistance)
4140 Steel Selectors with black oxide protection
These materials offer:
Long service life
Smooth engagement
Excellent corrosion & wear resistance
Works with a wide list of AR-style rifles, pistol-caliber carbines, and alternative platforms when equipped with compatible components.
Compatible with:
AR-15 platforms: 5.56, .223, 300BLK, 9mm, .45, 10mm
MP5-style AR lowers
BRN-180
JAKL, MCX, MPX (requires slip-trip kit)
STRIBOG, UMP, and additional platforms as kits release
This kit does not work with:
LaRue MBT-2S
CMC Single-Stage Triggers
Rise Armament RA-140
Your kit includes everything needed for installation:
ARC Cam (M2 tool steel, DLC-coated)
ARC Lever (M2 tool steel, DLC-coated)
ARC Detent Bar
ARC Primary Selector (4140 steel)
ARC Ambi Selector (4140 steel)
Trigger Detent
Safety Detent
Installation hardware
FTA Tactical does not ship FRT-style triggers to jurisdictions where prohibited.
Gunsmith installation strongly recommended.
Ensure the firearm is unloaded and verified safe before installation.
Always follow federal, state, and local laws regarding firearm parts.