The FRT MR3™ Forced Reset Trigger for the HK MR223 and HK MR556 delivers a faster, more consistent firing experience while maintaining full legal compliance. Designed for competitive shooting and tactical training, this drop-in trigger system ensures each pull fires one round, optimizing performance without compromising safety.
What you get
- Drop-in, duty-grade 3-position trigger (Safe/Semi/FRT)
- 3-position ambidextrous safety selector
- Anti-walk pins for secure installation
- Designed for HK MR223 and HK MR556 platforms
- Manufactured and assembled in the U.S.A.
Build and finish
The FRT MR3™ is precision-engineered to meet the rigorous demands of high round counts and intense shooting sessions. Constructed using premium materials, it features tight tolerances and a smooth, durable finish that ensures reliability under extreme conditions.
The trigger mechanism incorporates a forced reset system that automatically resets after each shot, allowing for quicker follow-up shots without manual intervention. This design not only enhances firing speed but also maintains consistency across prolonged use.
Every component is meticulously assembled in the U.S.A., adhering to the highest quality standards. The included anti-walk pins and ambidextrous safety selector further enhance the trigger’s stability and usability, making it a dependable upgrade for any HK MR223 or HK MR556 owner.
Compatible platforms
- HK MR223
- HK MR556
Installation notes
Installation is straightforward with the included anti-walk pins ensuring a secure fit. The drop-in design allows for hassle-free setup, making it accessible even for those with moderate technical skills.
For HK MR223 and HK MR556 enthusiasts looking to enhance their shooting experience, the FRT MR3™ offers a practical upgrade that balances speed, consistency, and compliance. Whether for competition, training, or tactical use, this trigger system is a reliable addition to your firearm setup.
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