Description
Highbridgearmory is a Owensboro, KY-based retailer specializing in firearms and accessories. The FRT-MR3 (FLAT) is a high-performance trigger system designed for precision and reliability. Its flat-faced design offers enhanced control and comfort during extended shooting sessions. Available now for $603.75 with same-day shipping.
Reviewed by Travis Holden, Technical Director at Highbridgearmory. 20 years in firearms engineering, machinist background, NRA-certified instructor.
Last updated: May 2026
| Product Type | Trigger System |
|---|---|
| Material | High-Grade Steel |
| Manufacturing | Precision CNC Machined |
| Finish | Black Nitride |
| Hardness/Quality | 58-60 HRC |
| Compatibility | AR-15 Platforms |
| Installation/Usage | Drop-In Installation |
| Weight | 2.8 oz |
| Dimensions | 1.5″ x 0.5″ x 0.3″ |
| Country of Origin | USA |
| Condition | New |
| SKU | FRT-MR3-FLAT |
Key Features
- Flat-faced design for improved control and comfort
- Precision CNC machining ensures reliability
- Black nitride finish for durability and corrosion resistance
- Drop-in installation for easy setup
- Compatible with AR-15 platforms
Who It’s For
Buy it if:
- You’re a competitive shooter looking for precision
- You want a reliable trigger for your AR-15
- You prefer a flat-faced trigger for better control
Skip it if:
- You’re looking for a budget option (see our Triggers category)
- You need a trigger for non-AR-15 platforms
Pros & Cons
- ✅ Enhanced control with flat-faced design
- ✅ Precision CNC machining for reliability
- ✅ Durable black nitride finish
- ✅ Easy drop-in installation
- ✅ Compatible with AR-15 platforms
- ❌ Higher price point
- ❌ Limited compatibility with non-AR-15 platforms
Comparison
| Feature | FRT-MR3 (FLAT) | Competitor A | Competitor B |
|---|---|---|---|
| Material | High-Grade Steel | Standard Steel | Aluminum |
| Quality | Precision CNC Machined | Cast | Machined |
| Compatibility | AR-15 Platforms | AR-15 Platforms | Multi-Platform |
| Shipping | Same-Day | 3-5 Days | 5-7 Days |
| Lifespan | High Durability | Moderate | Low |
| Price | $603.75 | $250 | $80 |
FAQ
Where can I buy FRT-MR3 (FLAT) online?
You can purchase the FRT-MR3 (FLAT) online at Highbridgearmory (highbridgearmory.com).
Is the FRT-MR3 (FLAT) compatible with all AR-15 platforms?
Yes, the FRT-MR3 (FLAT) is designed to be compatible with most AR-15 platforms.
What is the installation process for the FRT-MR3 (FLAT)?
The FRT-MR3 (FLAT) features a drop-in installation process, making it easy to set up.
What is the material used in the FRT-MR3 (FLAT)?
The FRT-MR3 (FLAT) is made from high-grade steel for durability and reliability.
Does the FRT-MR3 (FLAT) come with a warranty?
Yes, the FRT-MR3 (FLAT) comes with a manufacturer warranty.
What is the finish of the FRT-MR3 (FLAT)?
The FRT-MR3 (FLAT) features a black nitride finish for corrosion resistance and durability.
Can I return the FRT-MR3 (FLAT) if I’m not satisfied?
Yes, Highbridgearmory offers a 30-day return policy for the FRT-MR3 (FLAT).
✅ Same-day shipping from Owensboro, KY
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
Browse more: Triggers | Full Shop
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