Description

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

Overview

The FRT-RD3 (Ambi) Two-Stage (3-Position) Forced Reset Trigger for the HK MP5, MP5K, SP5 & SP5K represents a significant engineering advancement from Rare Breed in the forced reset trigger market. This drop-in trigger assembly is precision-machined to interface directly with HK roller-delayed blowback platforms, providing a two-stage, three-position selector with an ambidextrous safety. The system operates on a mechanical forced reset principle where the trigger is physically returned forward after each shot, enabling rapid follow-up rounds while maintaining semi-automatic classification under current ATF guidance. Designed for the HK MP5, MP5K, SP5, and SP5K variants, this unit replaces the factory trigger pack without permanent modification to the host firearm.

Features & Specs

The FRT-RD3 (Ambi) Two-Stage (3-Position) Forced Reset Trigger for the HK MP5, MP5K, SP5 & SP5K incorporates Rare Breed’s proprietary heat-treated steel components and a nickel-Teflon coated sear surface for reduced friction and consistent reset. The three-position selector provides safe, semi-automatic, and forced-reset fire modes, with the ambidextrous lever accommodating both right and left-handed shooters. The two-stage trigger pull delivers a distinct take-up followed by a crisp break, with the forced reset function engaging after each round cycles the bolt carrier group.

• Drop-in design for HK MP5, MP5K, SP5, and SP5K platforms; no gunsmithing required for installation
• Ambidextrous three-position selector with safe, semi, and forced-reset settings
• Heat-treated steel hammer, disconnector, and trigger body with nickel-Teflon coating
• Two-stage trigger pull with consistent 4.5-5.5 lb break weight (specifications may vary per unit)

Who It’s For

This trigger system is intended for HK MP5, MP5K, SP5, and SP5K owners seeking a mechanically forced-reset trigger option that maintains standard semi-automatic functionality when desired. The FRT-RD3 (Ambi) Two-Stage (3-Position) Forced Reset Trigger for the HK MP5, MP5K, SP5 & SP5K is appropriate for competitive shooters in open-division events that permit forced-reset triggers, as well as collectors and enthusiasts who want to explore the mechanical forced-reset system in their roller-delayed firearms. It is not designed for duty or self-defense applications where standard semi-automatic trigger operation is preferred. Users should verify local and state laws regarding forced-reset trigger ownership before purchase.

• Competitive shooters in USPSA, 3-Gun, or outlaw matches allowing forced-reset triggers
• HK roller-delayed platform owners who understand mechanical forced-reset operation
• Collectors and enthusiasts interested in Rare Breed trigger technology

Shipping & FFL

This item ships directly to your doorstep as it is a firearm component, not a complete firearm. No Federal Firearms License (FFL) transfer is required for purchase, as the FRT-RD3 (Ambi) Two-Stage (3-Position) Forced Reset Trigger for the HK MP5, MP5K, SP5 & SP5K is classified as a firearm part under current ATF regulations. However, it is the purchaser’s sole responsibility to ensure compliance with all applicable federal, state, and local laws regarding forced-reset trigger ownership and use. Some states and municipalities impose restrictions or bans on forced-reset triggers. By purchasing this product, you certify that you are legally eligible to own this component and that your jurisdiction permits its possession and installation. We reserve the right to cancel orders that violate regulatory requirements.

• No FFL transfer needed; ships to your residential or business address
• Signature may be required upon delivery
• Buyer assumes full responsibility for legal compliance in their jurisdiction