How do you install the ARC Fire V2 trigger?

Install the pre-cut trigger, reinstall the hammer, install the selector and transfer lever, orient the cam correctly, secure the assembly, and perform a full function check.

Why is my ARC Fire V2 not resetting?

Most reset issues are caused by insufficient buffer weight. Use an H2 buffer at minimum, with H3 recommended in many setups.

What platforms is ARC Fire V2 compatible with?

ARC Fire V2 is designed for AR-15 pattern setups and certain other compatible systems, but it is not compatible with AR-10, LR-308, AR 12GA, or platforms that do not use a typical FA M16 BCG.

Do I need a special trigger for ARC Fire V2?

Yes. You must use a cut trigger according to Hoffman Tactical specifications.

ARC Fire V2 Install Guide (2026) | Step-by-Step FRT Trigger Setup

Comparing all FRT options for your AR-15? See our complete FRT trigger AR-15 guide →

Learn how to install the ARC Fire V2 forced reset trigger with this complete step-by-step guide. We cover installation, troubleshooting, buffer setup, and pro-level tuning.

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Always verify your firearm is unloaded before installation.

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Watch Installation

Required Before Installation

Pre-cut trigger (Hoffman spec required)
Mil-spec springs
H2 or H3 buffer (critical)
Mil-spec AR-15 lower

ARC-Fire V2 — Choose Your Configuration Ambi Kit or Non-Ambi · 3 selector throw options · Compatible with AR-15, Sig MCX/MPX, Stribog, MP5, G3, JAKL and more. Shop ARC-Fire V2 →

Step-by-Step Installation

1. Replace Trigger Shoe

Install pre-cut trigger and reuse springs.

2. Install Hammer

Reinstall hammer and spring.

Hammer must be cocked before continuing.

3. Install Selector + Lever

Insert detent bar through transfer lever.

Lever faces rear
Points away from hammer

4. Rotate to Semi

Set selector to semi position.

5. Install Grip + Detent

Confirm selector clicks properly.

6. Install Cam (CRITICAL)

Groove facing down
Closest to lever

Incorrect cam position will cause failure.

7. Install Primary Selector

Match ambi selector position.

8. Secure System

Install final screw.

9. Function Check

Trigger resets properly
No binding
Lever stays forward

Troubleshooting

Heavy Trigger

Lightly polish trigger edge.

BCG Binding

Check for high shelf lower.

Trigger Not Resetting

Upgrade buffer (H2 or H3)

Compatibility

Not compatible with AR-10 / LR-308 or non-M16 BCG platforms.

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ARC Fire V2 Install Guide (2026) | Step-by-Step FRT Trigger Setup