Description
The FRT 15 3 Position Upgrade Kit transforms your AR-15 platform with a drop-in trigger system designed for precision and versatility.
What you get
- Rare Breed FRT 15 3X drop-in trigger assembly
- Three-position selector switch for enhanced control
- High-quality springs and pins for reliable operation
- Manufacturer’s installation guide for straightforward setup
- Made in the U.S.A. with strict quality control
Build and finish
The FRT 15 3 Position Upgrade Kit is crafted from durable materials, ensuring longevity under heavy use. The trigger components are machined to tight tolerances, providing a smooth and consistent pull every time. The finish is corrosion-resistant, designed to withstand harsh environments without compromising performance.
Each component is tested for reliability before leaving the factory, ensuring it meets Rare Breed Triggers’ high standards. The kit’s design emphasizes ease of installation, making it accessible to both experienced builders and those new to firearm upgrades.
Compatible platforms
- AR-15 rifles and pistols
- M16-style platforms
- Compatible with most Mil-Spec lower receivers
- Ideal for custom builds using Polymer80 frames
Installation notes
Installing the FRT 15 3 Position Upgrade Kit requires basic mechanical skills and attention to detail. Follow the included instructions carefully, ensuring your firearm is unloaded before starting. The process involves removing the existing trigger assembly and replacing it with the new components, including the selector switch and springs. Once installed, perform a function check to verify proper operation.
This upgrade kit is an excellent addition to Polymer80 frame builds, offering enhanced functionality without compromising reliability. Whether you’re refining a custom build or upgrading an existing platform, the FRT 15 3 Position Upgrade Kit delivers consistent performance tailored to your needs.




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