The Rare Breed Triggers FRT-MR3™ (FLAT) is a mil-spec forced reset trigger designed for HK MR223 and HK MR556 platforms. This drop-in trigger system features a 3-position selector (Safe/Semi/FRT®) with ambidextrous safety and includes anti-walk pins for secure operation. The all-steel components are precision machined in the USA for duty-grade reliability.
Key features:
- 100% US-made forced reset trigger mechanism
- Includes A1 and A4 selector drums for compatibility
- Maintains mil-spec hammer spring weight for positive ignition
- Works with standard AR-15 fire control groups
Rare Breed Triggers delivers proven performance for tactical shooters demanding consistent reset under rapid fire. Complete your build with this FRT-ready lower receiver package.
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