The FRT-RD3™ Forced Reset Trigger for HK MP5, MP5K, SP5, and SP5K delivers faster follow-up shots while maintaining full compliance with federal regulations, making it an ideal upgrade for competitive shooters and tactical enthusiasts.
What you get
- Drop-in forced reset trigger with 3-position selector (Safe/Semi/FRT)
- Designed for HK AMBI/SEF grip frames
- Manufactured and assembled in the U.S.A.
- Precision-engineered for reliability under high round counts
- Accelerates follow-up shots while ensuring one round fired per trigger pull
Build and finish
The FRT-RD3™ is built to exacting standards, with CNC-machined components and a robust design that ensures durability even under demanding conditions. The trigger mechanism is crafted from high-grade materials, providing a smooth, consistent pull and reliable reset after each shot.
The finish is designed to resist wear and corrosion, ensuring long-term performance. Every component is precision-machined to fit seamlessly into HK roller-delayed firearms, maintaining the platform’s renowned reliability and functionality.
Compatible platforms
- HK MP5
- HK MP5K
- HK SP5
- HK SP5K
Installation notes
The FRT-RD3™ is a drop-in replacement for factory triggers, requiring no permanent modifications to your firearm. Installation is straightforward, with detailed instructions included to guide you through the process. Ensure compatibility with your specific model before proceeding.
For shooters looking to enhance the performance of their HK MP5 or SP5 series firearms, the FRT-RD3™ offers a reliable, precision-engineered solution that balances speed and compliance. Available now at F1 Firearms, it’s a practical upgrade for competitive, tactical, or recreational use.
















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