FRT-MR3

About this product

Glockswitchpro is a Cedar City, UT-based retailer specializing in high-performance tactical accessories. The FRT-MR3 is a single-stage (3-position) forced reset trigger designed specifically for the HK MR223 and HK MR556 platforms. Engineered for precision and reliability, this trigger offers a unique firing mechanism that enhances control and speed. Available now for $603.75 with same-day shipping. Reviewed by Nate Sullivan , Product Manager at Glockswitchpro. 11 years sourcing and testing tactical accessories, former military. Last updated: May 2026 What’s in the Box? 1 x FRT-MR3 Trigger 2 x Anti-Walk Pins 4 x Anti-Walk Pin Screws 1 x A1 Selector Drum 1 x A4 Selector Drum FRT-MR3 Specifications Product Type Forced Reset Trigger Material High-grade steel Manufacturing CNC machined Finish Black oxide Hardness/Quality 58-60 HRC Compatibility HK MR223, HK MR556 Installation/Usage Drop-in with included anti-walk pins Weight 3.2 oz Dimensions 2.5" x 1.2" x 0.8" Country of Origin USA Condition New SKU GSW-FRT-MR3 Key Features of the FRT-MR3 Single-stage forced reset : Provides a consistent pull every time 3-position selector : Offers safe, semi, and forced reset modes Anti-walk pins included : Ensures secure installation CNC machined steel : Built for durability and precision Drop-in design : Easy installation with no gunsmithing required Who Should Buy the FRT-MR3? Buy it if: You own an HK MR223 or MR556 and want a high-performance trigger You value precision engineering and reliable forced reset mechanisms You prefer a drop-in installation with no modifications Skip it if: You’re looking for a budget trigger (check out our Triggers section for alternatives) You don’t own an HK MR223 or MR556 Pros and Cons Pros: ✅ Precision CNC machining for consistent performance ✅ Includes anti-walk pins for secure installation ✅ 3-position selector for versatility ✅ Made in the USA with high-grade steel ✅ Drop-in design for easy installation Cons: ❌ Higher price point compared to sta