The FRT-MR3™ is a single-stage forced reset trigger designed for HK MR223 and HK MR556 platforms. Manufactured by Rare Breed Triggers, known for duty-grade components, this 3-position trigger (Safe/Semi/FRT®) features precision machining from US-sourced materials. Includes ambidextrous safety selector and anti-walk pins for secure installation.
Specs:
- Drop-in design requires no gunsmithing
- CNC-machined 4140 steel construction
- Compatible with HK MR223/MR556 bolt carriers
- Includes selector drums for A1/A4 configurations
Florida customers receive direct shipping from our Gulf Coast warehouse with no interstate delays. Order your FRT-MR3â„¢ today for immediate processing.

















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