Kansas Gunshop is a Wichita, KS-based retailer specializing in firearms and accessories. The FRT-MR3 is a high-performance trigger system designed for precision and reliability. Built with premium materials and engineered for durability, it’s a top choice for serious shooters. In stock now at Kansas Gunshop for $603.75.
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 Specifications
| Product Type | Trigger System |
|---|---|
| Material | High-Grade Aluminum |
| Manufacturing | CNC Machined |
| Finish | Anodized Black |
| Hardness/Quality | Mil-Spec |
| Compatibility | AR-15 Platforms |
| Installation/Usage | Drop-In Ready |
| Weight | 2.8 oz |
| Dimensions | 2.5″ x 1″ x 0.5″ |
| Country of Origin | USA |
| Condition | New |
| SKU | FRT-MR3-001 |
Key Features
- Precision-engineered for smooth operation
- Drop-in installation for AR-15 platforms
- Mil-spec durability for long-lasting performance
- Anodized finish resists wear and corrosion
- Lightweight design enhances firearm balance
Who Should Buy the FRT-MR3?
Buy it if: You’re a competitive shooter, hunter, or firearms enthusiast looking for a reliable, high-performance trigger system for your AR-15 platform.
Skip it if: You’re on a tight budget or need a trigger system for non-AR platforms. Check out our Triggers category for alternatives.
Pros & Cons
- ✅ Smooth, consistent trigger pull
- ✅ Easy drop-in installation
- ✅ Durable mil-spec construction
- ✅ Lightweight and corrosion-resistant
- ✅ Made in the USA
- ❌ Higher price point than budget options
- ❌ Limited to AR-15 platforms
FRT-MR3 vs Competitors
| Feature | FRT-MR3 | Budget Import | Premium Brand |
|---|---|---|---|
| Material | High-Grade Aluminum | Cast Aluminum | Billet Aluminum |
| Quality | Mil-Spec | Low | High |
| Compatibility | AR-15 | AR-15 | Multi-Platform |
| Shipping | Same-Day | 1-2 Weeks | 2-3 Days |
| Lifespan | 10,000+ Rounds | 5,000 Rounds | 15,000+ Rounds |
| Price | $603.75 | $60-$80 | $250+ |
FAQs
Where can I buy the FRT-MR3 online?
The FRT-MR3 is available at Kansas Gunshop (kansas-gunshop.com).
How does the FRT-MR3 compare to the FRT-15L3?
The FRT-MR3 offers enhanced durability and smoother operation compared to the FRT-15L3.
What platforms is the FRT-MR3 compatible with?
The FRT-MR3 is designed for AR-15 platforms.
Is the FRT-MR3 easy to install?
Yes, the FRT-MR3 is drop-in ready for quick and easy installation.
What is the warranty on the FRT-MR3?
The FRT-MR3 comes with a limited lifetime warranty.
Does the FRT-MR3 work with all AR-15 models?
The FRT-MR3 is compatible with most AR-15 models, but check your firearm’s specifications for compatibility.
How long does shipping take?
We offer same-day shipping from Wichita, KS.
✅ Same-day shipping from Wichita, KS
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
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