FRT-RD3™ (AMBI)
Forced Reset Trigger for the HK MP5, MP5K, SP5 & SP5K
Upgrade your roller-delayed platform with the FRT-RD3™ (AMBI)—a precision-engineered forced reset trigger system designed to deliver rapid, consistent follow-up shots while maintaining a refined, controllable trigger feel. Built specifically for MP5-pattern firearms, this ambidextrous system combines performance, durability, and user-focused ergonomics.
Key Features
Ambidextrous Control (AMBI)
Fully ambidextrous selector design ensures seamless operation for both left- and right-handed shooters, offering enhanced versatility in any shooting environment.
Forced Reset Technology
The FRT-RD3™ actively resets the trigger after each shot, enabling faster, more consistent trigger cadence compared to traditional trigger systems—ideal for enthusiasts seeking improved performance and responsiveness.
Platform-Specific Precision Fit
Purpose-built for HK MP5, MP5K, SP5, and SP5K platforms, ensuring reliable compatibility and smooth integration without compromise.
Enhanced Trigger Feel
Delivers a crisp break with a positive, tactile reset, giving shooters improved feedback and control during rapid fire sequences.FRT-MR3™ (FLAT) Forced Reset Trigger for the HK MR223 & HK MR556
Durable Construction
Manufactured from high-quality, hardened materials to withstand repeated use under demanding conditions while maintaining long-term reliability.
Drop-In Installation
Designed for straightforward installation with minimal modification required, making it accessible for experienced users and professionals alike.
Why Choose the FRT-RD3™?
The FRT-RD3™ (AMBI) is built for shooters who demand speed, precision, and adaptability from their firearm components. Whether you’re optimizing for performance or enhancing your platform’s ergonomics, this trigger system delivers a balanced combination of innovation and reliability.







