Michigan Gunshop is a Grand Rapids, MI-based retailer specializing in firearms and accessories. The FRT-MR3 is a Single-Stage (3-Position) Forced Reset Trigger designed specifically for the HK MR223 and HK MR556. Engineered for precision and reliability, this trigger is available now at $603.75.
Reviewed by Michigan Gun Shop Staff, Federally Licensed Firearms Dealer at Michigan Gunshop. Type-1 FFL holders, Class 3 SOT, serving Michigan since 2014.
Last updated: May 2026
| Product Type | Trigger |
|---|---|
| Material | High-Strength Steel |
| Manufacturing | CNC Machined |
| Finish | Black Oxide |
| Hardness/Quality | Rockwell C50 |
| Compatibility | HK MR223, HK MR556 |
| Installation/Usage | Drop-In |
| Weight | 2.5 oz |
| Dimensions | 2.75 x 0.75 x 0.5 inches |
| Country of Origin | USA |
| Condition | New |
| SKU | FRT-MR3 |
Key Features
- Precision CNC Machined High-Strength Steel
- Black Oxide Finish for Durability
- Drop-In Installation
- Compatible with HK MR223 and HK MR556
- Includes Anti-Walk Pins and Screws
Who It’s For
This trigger is ideal for HK MR223 and HK MR556 owners looking for a reliable and precise forced reset trigger. Whether you’re a competitive shooter or a firearms enthusiast, the FRT-MR3 offers enhanced performance and durability.
Pros & Cons
- ✅ Precision CNC Machined
- ✅ High-Strength Steel Construction
- ✅ Drop-In Installation
- ✅ Includes Anti-Walk Pins
- ✅ Compatible with HK MR223 and HK MR556
- ❌ Higher Price Point
- ❌ Limited Compatibility
Comparison
| Feature | FRT-MR3 | Cheap Import | Premium Brand |
|---|---|---|---|
| Material | High-Strength Steel | Alloy Steel | Stainless Steel |
| Quality | CNC Machined | Cast | CNC Machined |
| Compatibility | HK MR223, HK MR556 | Universal | Specific Models |
| Shipping | Same-Day | 1-2 Weeks | 2-3 Days |
| Lifespan/Durability | High | Low | High |
| Price | $603.75 | $60-80 | $250+ |
FAQ
Where can I buy FRT-MR3 online?
You can purchase the FRT-MR3 at Michigan Gunshop (michigan-gunshop.com).
How to get MR30 Warframe?
This question pertains to a video game and is unrelated to the FRT-MR3 trigger.
How to get MR30?
This question pertains to a video game and is unrelated to the FRT-MR3 trigger.
How to get MR30 pin?
This question pertains to a video game and is unrelated to the FRT-MR3 trigger.
How to get MR3 Warframe?
This question pertains to a video game and is unrelated to the FRT-MR3 trigger.
How long to get MR30 Warframe?
This question pertains to a video game and is unrelated to the FRT-MR3 trigger.
What is the difference between FRT-MR3 and FRT-15L3?
The FRT-MR3 is designed for HK MR223 and HK MR556, while the FRT-15L3 is for AR-15 platforms.
✅ Same-day shipping from Grand Rapids, MI
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
Browse more: Triggers | Full Shop
About this review: Our team of firearms experts has hands-on experience with the FRT-MR3, ensuring accurate and reliable information. Last updated: May 2026


















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