Description

FRT-MR3™ Single-Stage (3-Position) Forced Reset Trigger for the HK MR223 & HK MR556

Overview

If you own an HK MR223 or HK MR556, you know the platform demands precision and durability. The FRT-MR3™ single-stage (3-position) forced reset trigger for the HK MR223 & HK MR556 from Rare Breed delivers exactly that. This trigger is designed to work with the specific geometry of your HK rifle, offering a crisp, single-stage pull with a forced-reset function that keeps you on target. The three-position selector lets you choose between safe, semi-automatic, and forced-reset modes, giving you control without guesswork. Whether you are a competitive shooter or a dedicated enthusiast, this trigger brings a new level of responsiveness to your build.

Features & Specs

Rare Breed engineered the FRT-MR3™ with the HK MR223 and MR556 in mind. The single-stage design means no take-up, just a clean break and a fast reset. The forced-reset mechanism uses the bolt carrier’s forward motion to reset the trigger, allowing for rapid follow-up shots. Here is what you get out of the box:

• Three-position selector: safe, semi-auto, and forced-reset mode for versatile operation.
• Single-stage trigger pull with a consistent break weight optimized for the HK platform.
• Drop-in installation that requires no permanent modification to your lower receiver.
• Heat-treated steel components for long-term reliability under sustained fire.
• Compatible with standard HK MR223 and MR556 trigger groups and safety selectors.

Installing this FRT-MR3™ single-stage (3-position) forced reset trigger for the HK MR223 & HK MR556 is straightforward. You will need basic tools and a few minutes of bench time. The trigger pack fits into the factory pocket, and the selector aligns with the existing detents. Rare Breed includes all necessary pins and springs.

Who It’s For

This trigger is for the shooter who wants to push their HK MR223 or MR556 beyond stock performance. If you run drills, compete in three-gun, or just appreciate a well-tuned fire control group, the FRT-MR3™ adds speed without sacrificing accuracy. The forced-reset function shines when you need fast splits, but the single-stage feel keeps your precision shots tight. It is also a solid choice for collectors who want a reliable upgrade that respects the platform’s engineering. Keep in mind that the FRT-MR3™ single-stage (3-position) forced reset trigger for the HK MR223 & HK MR556 is designed specifically for these models—double-check your receiver compatibility before ordering.

Some key features that stand out for end users:

• No need to modify your bolt carrier or buffer system—works with factory HK parts.
• The three-position mode selector is intuitive and easy to toggle under gloves or in high-stress situations.
• Rare Breed’s customer support is available for installation questions or warranty claims.

Shipping & FFL

This FRT-MR3™ single-stage (3-position) forced reset trigger for the HK MR223 & HK MR556 ships directly to your doorstep. No FFL transfer is required because it is a firearm component, not a complete firearm. However, local laws vary by state and municipality. You are responsible for ensuring compliance with all applicable regulations before purchase. Rare Breed and our store do not ship to states or localities where forced-reset triggers are restricted. If your order is flagged for non-compliance, we will cancel and refund. Check your state laws regarding triggers and fire control groups—some areas have specific bans or registration requirements.

Shipping is available to all US states where this product is legal. We use insured carriers with signature confirmation. Typical delivery takes 3-7 business days after order processing. For any questions about your specific location, contact our team before placing the order.

• Ships direct to your address—no FFL needed for this trigger component.
• Customer assumes full responsibility for local legality of forced-reset triggers.
• Returns accepted within 30 days for unopened, unused triggers in original packaging.