Description

FRT-RD3 (Ambi) Two-Stage (3-Position) Forced Reset Trigger for the HK MP5, MP5K, SP5 & SP5K

Designed and manufactured by Rare Breed, the FRT-RD3 (Ambi) Two-Stage (3-Position) Forced Reset Trigger for the HK MP5, MP5K, SP5 & SP5K represents a significant advancement in trigger technology for the HK roller-delayed platform. This drop-in assembly provides Alabama shooters with a legal, mechanically sound upgrade that enhances rate of fire without compromising on safety or reliability. Engineered specifically for HK-pattern firearms, this forced reset trigger system delivers a crisp two-stage pull with a third-position forced reset function that resets the trigger under recoil, allowing for rapid follow-up shots while maintaining semi-automatic compliance.

Overview

The Rare Breed FRT-RD3 is a complete trigger pack replacement for your HK MP5, MP5K, SP5, or SP5K. It integrates a two-stage trigger mechanism with a third-position forced reset mode that physically drives the trigger forward after each shot, enabling faster cycling than standard triggers. The ambidextrous selector offers safe, semi-automatic, and the forced reset position, all housed in a reinforced polymer cassette for drop-in installation. This FRT-RD3 (Ambi) Two-Stage (3-Position) Forced Reset Trigger for the HK MP5, MP5K, SP5 & SP5K is designed to function with factory and aftermarket lower receivers without modification.

Features & Specs

• Two-stage trigger pull with a clean break and short reset in semi-automatic mode; third position engages forced reset function for accelerated cycling
• Ambidextrous selector switch with positive detents for safe, semi, and forced reset positions; compatible with left- and right-handed shooters
• Drop-in design requiring no permanent modification to your HK MP5, MP5K, SP5, or SP5K lower receiver; includes all necessary pins and springs

This FRT-RD3 (Ambi) Two-Stage (3-Position) Forced Reset Trigger for the HK MP5, MP5K, SP5 & SP5K is built from hardened steel and precision-machined components, with a nickel-Teflon coated trigger shoe for reduced friction. The cassette housing is constructed from impact-resistant polymer to withstand repeated use. Manufacturer specifications include: Manufacturer: Rare Breed; Category: Triggers. The assembly is compatible with all standard HK roller-delayed 9mm variants and does not interfere with bolt carrier travel or ejection.

Who It’s For

This trigger system is intended for experienced HK platform owners in Alabama who desire a higher cyclic rate for competitive shooting, training drills, or recreational use while retaining the safety and legal status of a semi-automatic firearm. It is ideal for shooters who already understand mechanical trigger operation and want a drop-in upgrade that does not require gunsmithing. The FRT-RD3 (Ambi) Two-Stage (3-Position) Forced Reset Trigger for the HK MP5, MP5K, SP5 & SP5K is not recommended for novice users or those unfamiliar with forced reset trigger mechanics. It is designed for use with factory-spec ammunition and standard-pressure loads.

• Suitable for competitive shooters and experienced enthusiasts who want a faster trigger reset without converting to full-auto
• Compatible with HK MP5, MP5K, SP5, and SP5K models using standard trigger housings; not for use with airsoft or replica firearms
• Requires user comprehension of forced reset function; always verify local regulations before purchase

Shipping & FFL

This FRT-RD3 (Ambi) Two-Stage (3-Position) Forced Reset Trigger for the HK MP5, MP5K, SP5 & SP5K is a firearm component and does not require transfer through a Federal Firearms License (FFL) for shipment to Alabama residents. It ships directly to your doorstep via common carrier. However, because this is a drop-in trigger mechanism, it is your responsibility to confirm that its installation and use comply with all applicable federal, state, and local laws. Rare Breed and our retail operations do not provide legal advice; consult with a qualified attorney if you have questions regarding compliance. Alabama customers should verify that their intended use aligns with state statutes governing trigger mechanisms.

• No FFL transfer needed for shipment; ships directly to your address in Alabama
• Customer assumes all responsibility for legal compliance regarding installation and use of this forced reset trigger
• Standard shipping rates apply; expedited options available at checkout