The FRT-MR3™ is a single-stage forced reset trigger designed for the HK MR223 and HK MR556, making it ideal for Arizona desert-state shooters. This drop-in, duty-grade trigger features a 3-position selector (Safe/Semi/FRT®) for enhanced control and performance. Manufactured and assembled entirely in the USA, the FRT-MR3™ includes a 3-position ambidextrous safety selector and anti-walk pins for secure, hassle-free installation.
Concrete materials ensure durability, while the forced reset mechanism accelerates follow-up shots, keeping you on target in any environment. Compatible with AR-15 platforms, this trigger is built to handle the rugged demands of Arizona’s terrain. Rare Breed Triggers is renowned for its precision engineering and reliable firearm components.
Take your HK MR223 or HK MR556 to the next level with the FRT-MR3™. Elevate your shooting experience today.



















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