The FRT-MR3™ is a single-stage forced reset trigger compatible with HK MR223 and HK MR556 platforms. This drop-in trigger features a 3-position selector (Safe/Semi/FRT®) for enhanced control and rapid follow-up shots. Constructed with duty-grade components and backed by Rare Breed Triggers’ reputation for innovative firearm solutions.
Key features:
- 100% US-made and assembled
- Includes ambidextrous safety selector
- Comes with anti-walk pins for secure installation
- Precision-machined for reliable performance
Package contains trigger assembly, selector drums, roll pins, and all necessary hardware. Upgrade your HK platform with this professional-grade forced reset trigger system.














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