The FRT-MR3™ is a veteran-owned, American-made forced reset trigger designed for HK MR223 and HK MR556 rifles. This drop-in trigger features a 3-position selector (Safe/Semi/FRT®) with ambidextrous controls and includes anti-walk pins for secure installation. Machined from premium materials in the USA, it delivers consistent forced reset performance for rapid follow-up shots.
Rare Breed Triggers builds duty-grade components trusted by professional shooters. Includes:
- 1 FRT-MR3 trigger
- 2 anti-walk pins
- 4 anti-walk pin screws
- A1/A4 selector drums
- Selector lever roll pins
- T10 tool
Support veteran craftsmanship – upgrade your HK platform with this US-made forced reset trigger.




















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