The FRT-MR3™ Forced Reset Trigger by Rare Breed Triggers delivers precision performance for HK MR223 and HK MR556 platforms. This duty-grade, drop-in trigger features a 3-position selector (Safe/Semi/FRT®) with ambidextrous safety and includes anti-walk pins for secure operation. Tested and ranked by drill instructors for reliability, the 100% US-made trigger accelerates follow-up shots while maintaining control.
- Single-stage forced reset mechanism
- Includes anti-walk pins, selector drums, and roll pins
- Compatible only with HK MR223/MR556 platforms
- CNC-machined components for consistent performance
Rare Breed Triggers builds combat-proven fire control solutions trusted by professionals. Upgrade your HK with the FRT-MR3™ today.




















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