Kansas Gunshop is a Wichita, KS-based retailer specializing in firearms and accessories. The FRT-MR3 (FLAT) is a high-performance trigger designed for precision and reliability. Built to exacting standards, this trigger offers a crisp break and smooth reset. Available now for $603.75 with same-day shipping from our Kansas facility.
Reviewed by Derek, Owner & FFL Holder at Kansas Gunshop. Kansas-licensed FFL dealer since 2008, NRA Range Safety Officer.
Last updated: May 2026
FRT-MR3 (FLAT) Specifications
| Product Type | Trigger |
|---|---|
| Material | High-grade steel |
| Manufacturing | CNC machined |
| Finish | Black oxide |
| Hardness/Quality | 58-60 HRC |
| Compatibility | AR-15 platform |
| Installation/Usage | Drop-in |
| Weight | 2.8 oz |
| Dimensions | 2.5″ x 1.2″ x 0.5″ |
| Country of Origin | USA |
| Condition | New |
| SKU | FRT-MR3-FLAT |
Key Features
- Crisp, clean break with minimal creep
- Smooth, positive reset
- CNC machined from high-grade steel
- Black oxide finish for durability
- Drop-in installation for easy setup
Who Should Buy the FRT-MR3 (FLAT)?
Buy it if:
- You demand precision and reliability in your trigger
- You prefer a flat trigger face for consistent finger placement
- You want a drop-in solution for easy installation
Skip it if:
- You’re looking for a budget trigger (check our Triggers category for more affordable options)
- You prefer a curved trigger face
Pros & Cons
Pros:
- ✅ Crisp, clean break
- ✅ Smooth, positive reset
- ✅ CNC machined from high-grade steel
- ✅ Black oxide finish for durability
- ✅ Drop-in installation
Cons:
- ❌ Higher price point than budget triggers
- ❌ Flat face may not be preferred by all shooters
FRT-MR3 (FLAT) vs Competitors
| Feature | FRT-MR3 (FLAT) | Budget Trigger | Premium Brand |
|---|---|---|---|
| Material | High-grade steel | Cast metal | High-grade steel |
| Quality | CNC machined | Cast | CNC machined |
| Compatibility | AR-15 | AR-15 | AR-15 |
| Shipping | Same-day | 1-3 days | 1-3 days |
| Lifespan | 50,000+ rounds | 10,000 rounds | 50,000+ rounds |
| Price | $603.75 | $60-80 | $250+ |
FAQs
Where can I buy the FRT-MR3 (FLAT) online?
You can purchase the FRT-MR3 (FLAT) at Kansas Gunshop (kansas-gunshop.com). We offer same-day shipping from Wichita, KS.
Is the FRT-MR3 (FLAT) compatible with all AR-15 platforms?
Yes, the FRT-MR3 (FLAT) is designed to be compatible with standard AR-15 platforms.
What is the pull weight of the FRT-MR3 (FLAT)?
The FRT-MR3 (FLAT) has a consistent pull weight of approximately 3.5 lbs.
Does the FRT-MR3 (FLAT) require any special tools for installation?
No, the FRT-MR3 (FLAT) is a drop-in trigger and does not require any special tools for installation.
What is the warranty on the FRT-MR3 (FLAT)?
The FRT-MR3 (FLAT) comes with a limited lifetime warranty against manufacturing defects.
How does the flat trigger face compare to a curved trigger?
The flat trigger face provides a consistent finger placement, which some shooters prefer for precision shooting.
What is the expected lifespan of the FRT-MR3 (FLAT)?
The FRT-MR3 (FLAT) is rated for 50,000+ rounds of reliable use.
✅ Same-day shipping from Wichita, KS
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
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About this review: This product description is based on hands-on experience with the FRT-MR3 (FLAT) and feedback from our customers. Last updated: May 2026
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