The FRT-MR3™ is a mil-spec forced reset trigger designed for the HK MR223 and HK MR556, engineered to deliver rapid follow-up shots while maintaining full control. This drop-in trigger features a 3-position selector (Safe/Semi/FRT®) and includes ambidextrous safety, anti-walk pins, and selector drums for secure installation. Built for duty-grade performance, it’s 100% made in the USA with precision-machined components.
Rare Breed Triggers is known for reliable, high-performance firearm components that meet rigorous standards. The FRT-MR3™ pairs perfectly with an AR-15 lower platform, offering enhanced responsiveness without compromising durability. Includes trigger, anti-walk pins, screws, selector drums, and roll pins.
Upgrade your HK MR223/MR556 with the FRT-MR3™ for unmatched speed and reliability.
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