FRT-15L3™ FLAT

Single-Stage 3-Position Forced Reset Trigger for AR-15 Platforms

Upgrade your AR-15 platform with the official Rare Breed Triggers FRT-15L3™ FLAT — a premium drop-in forced reset trigger engineered for enhanced speed, control, and performance. Manufactured and assembled in the USA, the FRT-15L3™ combines precision engineering, rugged materials, and innovative trigger technology to deliver a refined shooting experience.

Designed for shooters who demand consistent performance, the FRT-15L3™ features a 3-position selector system with Safe, Semi-Automatic, and Forced Reset Trigger (FRT®) modes, giving users versatility for range sessions, training, and competition applications.

Premium Performance & Precision Engineering

The FRT-15L3™ utilizes an advanced forced reset system that mechanically resets the trigger after each shot, helping shooters achieve faster and more consistent follow-up shots while maintaining individual shot control.

Each trigger pull is designed to fire one round, providing a controlled and predictable shooting experience with the speed advantage of a forced reset design.

Key Features

3-Position Ambidextrous Selector

The included ambidextrous safety selector provides smooth operation for both left- and right-handed shooters, allowing quick transitions between:

• Safe Mode
• Semi-Automatic Mode
• Forced Reset Trigger (FRT®) Mode

Drop-In Installation

Designed for MIL-SPEC AR-15 lower receivers, the FRT-15L3™ offers a straightforward installation process and includes anti-walk trigger pins to help maintain secure positioning during use.

Single-Stage Trigger Performance

Semi-Automatic Mode

• Smooth single-stage trigger pull
• Approximate 4–4.5 lb pull weight
• Consistent trigger feel for improved control and accuracy

Forced Reset Trigger (FRT®) Mode

• Single-stage trigger operation
• Approximate 5.5–6 lb pull weight
• Designed for faster trigger reset and rapid follow-up shots

Built for Durability

Constructed from premium materials, including:

• 7075 anodized aluminum housing
• Heat-treated 4140 steel components

The FRT-15L3™ is built to withstand demanding use while maintaining reliability and long-term performance.

AR-15 Compatibility

The FRT-15L3™ is designed for compatibility with MIL-SPEC AR-15 lower receivers and requires a full-auto-compatible bolt carrier group for proper operation.

For optimal performance, an H2 or H3 buffer system — or an A5 buffer system — is recommended.

Note: The FRT-15L3™ may not be compatible with certain Colt models or lowers featuring a sear block/shelf.

Designed for Speed. Built for Control.

Whether you are upgrading your AR-15 for competitive shooting, professional training, or an enhanced range experience, the FRT-15L3™ delivers precision, reliability, and innovative trigger performance.

Experience next-level AR-15 performance with a premium forced reset trigger system engineered and manufactured in the USA.

Manufactured & Assembled in the USA