How Does a Forced Reset Trigger Work?

First: How a Standard Trigger Resets

To understand a forced reset trigger, it helps to know what a normal semi-automatic trigger does between shots.

When you pull a standard trigger, it releases the hammer, the hammer strikes the firing pin, and one round fires. As the action cycles, the hammer is pushed back and caught by a part called the disconnector, which stops the firearm from firing again while your finger is still holding the trigger back.

To fire the next shot, you have to let the trigger travel forward until the hammer is handed back from the disconnector to the trigger itself. That point is the reset. You often feel it as a small click. Only after the reset can the trigger fire again.

What a Forced Reset Trigger Changes

A forced reset trigger adds a mechanical link between the firearm’s action and the trigger. As the bolt carrier (in a rifle) or slide (in a pistol) moves, it acts on a cam, lever or similar part in the FRT. That part physically drives the trigger forward to its reset position, even while your finger is still applying pressure.

The firearm still only fires when the trigger is pulled. What changes is who resets it and how fast. Instead of waiting for your finger to relax, the trigger is returned to reset on every cycle, at the same point, every time.

The FRT Cycle, Step by Step

The exact parts vary by brand, but every forced reset trigger follows this cycle:

1. You pull the triggerThe trigger releases the hammer and one round fires, exactly as with a standard trigger.
2. The action moves rearwardThe bolt carrier or slide travels back, extracts and ejects the empty case, and pushes the hammer back.
3. The trigger is forced forwardAs the action moves, it drives the FRT’s reset mechanism, which pushes the trigger forward to its reset position against your finger.
4. The trigger is lockedA locking feature holds the trigger in place, so it cannot release the hammer while the action is still moving.
5. The action closes and the lock releasesOnce the bolt or slide has returned forward and the firearm is ready to fire, the trigger is free to move again.
6. You pull again for the next roundNothing fires until you make another separate, deliberate pull of the trigger.

Steps 4 and 5 are what make a well-designed FRT safe and predictable: the trigger can only fire once the action is fully closed, and only when you pull it again.

What It Feels Like to Shoot an FRT

In FRT mode, you will feel the trigger push forward against your finger after every shot. This is the forced reset at work. Compared with a standard trigger, there is no “searching” for the reset, because the trigger is returned to the same point every time.

Most shooters describe a short adjustment period. A firm, consistent grip and steady finger pressure help the trigger reset cleanly. On 3-position models, you can switch to Semi mode at any time for a conventional trigger feel, which many owners use for slower, precision shooting.

Single-Stage vs. Two-Stage FRTs

The forced reset mechanism works the same way in both, but the pull feels different:

How Forced Reset Selectors Work

A forced reset selector, such as the Atrius FRS or the AS Designs ARC-Fire V2, applies the same principle without replacing the trigger. The selector itself carries the reset mechanism. When you rotate it to the forced reset position, the selector engages a cam that lets the bolt carrier’s movement push your existing trigger forward to reset.

In the Safe and Semi positions, your trigger behaves exactly as it always has. That is why selectors appeal to shooters who already like their trigger. Compatibility depends on the trigger you have, so always check the selector’s compatibility list. See FRT trigger types for a full comparison.

How Handgun FRTs Work

In a pistol, the slide does the job of the bolt carrier. As the slide cycles, it acts on the FRT parts to return the trigger to reset. Designs differ by platform:

• Glock FRT kits pair a replacement trigger shoe with a reset part that is fitted to the individual pistol.
• The Freedom Finger 22TY replaces the Taurus TX22’s factory disconnector.
• The Freedom Finger M&P 2.0 FRT replaces the pistol’s factory backplate.

Because pistols vary in tolerances, handgun FRTs usually need careful fitting. Installation by a qualified gunsmith is recommended. Some handgun designs fall back to normal semi-automatic operation if the forced reset does not engage.

Why FRTs Have Specific Parts Requirements

A forced reset trigger only works if the firearm’s action interacts with it exactly as the designer intended. That is why many models list specific requirements:

• Bolt carrier group: many AR-15 FRTs need a full-auto pattern carrier, which has the profile the reset mechanism is designed around.
• Buffer and spring: manufacturers often recommend a particular buffer weight so the action cycles within the range the trigger expects.
• Lower receiver: some lowers have features, such as a sear block, that prevent certain FRTs from fitting.
• Grip frame or generation: HK triggers must match your grip frame (AMBI or SEF), and Glock kits list the generations they fit.

Following the manufacturer’s requirements is the single biggest factor in how reliably an FRT runs. Every product page in our store lists them, and our team can check your setup before you buy.

Is a Forced Reset Trigger Full Auto?

No. Under federal law, a machine gun fires more than one round with a single function of the trigger. A forced reset trigger fires one round per function. The trigger must reset and be pulled again for every shot. That distinction was central to the court decisions that led to the May 2025 federal settlement, and it is why federal law does not currently classify FRTs as machine guns.

State law is a separate question. Several states and Washington, D.C. restrict FRTs. See our state restrictions before you order. This is general information, not legal advice.

Frequently Asked Questions