Description
The Rare Breed FRT Locking Bar Performance Upgrade Service directly addresses the common issues with the FRT-15 trigger’s locking bar mechanism, ensuring smoother operation and enhanced reliability under demanding conditions.
What you get
- A robust replacement spring designed to eliminate kinking and pinching.
- A precision-machined steel plunger for improved durability.
- Machining modifications to the trigger body and semi-auto locking bar sear for optimal alignment.
- Components manufactured in the U.S.A. to exacting tolerances.
- A service that enhances the longevity and performance of your Rare Breed FRT-15 trigger.
Build and finish
The upgrade components are crafted from high-quality materials, ensuring they withstand the rigors of high-round-count use. The replacement spring is larger and more resilient than the original, eliminating the issues of kinking and pinching that can lead to malfunctions. The steel plunger is precision-machined to fit seamlessly within the trigger assembly, providing a smoother and more reliable operation.
The machining modifications to the trigger body and semi-auto locking bar sear are performed with meticulous attention to detail. These adjustments ensure that the new components align perfectly, maintaining the trigger’s functionality while enhancing its durability. The finish on all components is consistent with Rare Breed’s reputation for quality, ensuring a professional appearance and long-term performance.
Compatible platforms
- Rare Breed FRT-15 triggers.
- AR-15 platform builds.
- Polymer80 frame builds with compatible trigger systems.
Installation notes
Installation of the Rare Breed FRT Locking Bar Performance Upgrade Service requires basic gunsmithing skills. The process involves disassembling the trigger mechanism, replacing the original components with the upgraded parts, and reassembling the unit. Detailed instructions are provided, but if you’re unfamiliar with trigger assembly, professional installation is recommended.
For those working on Polymer80 frame builds or modular pistol projects, this upgrade ensures your Rare Breed FRT-15 trigger operates at peak performance. It’s a practical enhancement for shooters who demand reliability and precision from their custom builds.









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