The FRT MR3™ Forced Reset Trigger for the HK MR223 and HK MR556 delivers rapid, controlled follow-up shots through its unique forced reset mechanism, making it a standout upgrade for precision shooters. Designed specifically for HK platforms, this trigger combines durability, ease of installation, and reliable performance in high-stress conditions.
What you get
- High-grade steel construction for long-lasting durability
- CNC machining ensures precise tolerances and consistent performance
- Nitride coating for superior corrosion resistance
- Drop-in installation for quick setup
- Compatible with HK MR223 and HK MR556 platforms
- Compact dimensions: 2.5 x 1.5 x 0.5 inches
- Lightweight design at 3.2 oz
Build and finish
The FRT MR3™ is crafted from high-grade steel, ensuring it can withstand rigorous use without compromising performance. CNC machining guarantees tight tolerances, providing a smooth and consistent trigger pull every time. The nitride coating not only enhances corrosion resistance but also reduces friction, contributing to the trigger’s longevity and reliability.
With a hardness rating of 58-60 HRC, this trigger is built to endure harsh environments, from desert heat to humid conditions. The forced reset mechanism is engineered for rapid follow-up shots, making it ideal for competitive shooters or those who demand precision in fast-paced scenarios.
Compatible platforms
- HK MR223
- HK MR556
Installation notes
The FRT MR3™ is designed for drop-in installation, requiring no specialized tools or gunsmithing skills. Simply remove your existing trigger assembly and replace it with the FRT MR3™ for immediate performance gains.
At Blackjack Firearms, we specialize in high-quality AR-15 parts and accessories, and the FRT MR3™ is no exception. Whether you’re upgrading your HK MR223 or MR556 for competition, hunting, or tactical use, this trigger delivers the reliability and precision you need.
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