FRT-MR3 (FLAT)
About this product
FRT-MR3 (FLAT) — Precision CNC-machined trigger system for AR-15 platforms. Hardened steel construction. Ships from Peoria, IL.
Losranchosgunshop is a Peoria, IL-based retailer specializing in firearms components. The FRT-MR3 (FLAT) is a precision-machined trigger system designed for enhanced performance. Built to exacting standards with hardened steel components. In stock now for $603.75.
Reviewed by Chad Mercer, Operations Lead at Losranchosgunshop. 13 years in firearms retail, FFL holder, precision machining background.
Last updated: May 2026
| Product Type | Trigger System |
|---|---|
| Material | Hardened Steel |
| Manufacturing | CNC Machined |
| Finish | Black Oxide |
| Hardness/Quality | 58-60 HRC |
| Compatibility | AR-15 Platforms |
| Installation/Usage | Drop-in |
| Weight | 3.2 oz |
| Dimensions | 2.5″ x 1.25″ x 0.75″ |
| Country of Origin | USA |
| Condition | New |
| SKU | FRT-MR3-FLAT |
Key Features
- Precision CNC machining for consistent performance
- Hardened steel construction withstands heavy use
- Drop-in installation requires no gunsmithing
- Black oxide finish resists corrosion
- Optimized geometry for smooth trigger pull
Pros & Cons
- ✅ Built to exacting tolerances
- ✅ Reliable performance under rapid fire
- ✅ Made in USA
- ✅ Backed by manufacturer warranty
- ✅ Compatible with most AR-15 lowers
- ❌ Higher price point than basic triggers
- ❌ Requires proper installation for optimal function
Who Should Buy
Buy it if: You want a precision trigger for competition or tactical use, appreciate USA-made components, and understand proper installation procedures.
Skip it if: You’re looking for a budget trigger or don’t have experience with trigger installations (consider our basic triggers instead).
Comparison
| Feature | FRT-MR3 (FLAT) | Budget Trigger | Premium Competitor |
|---|---|---|---|
| Material | Hardened Steel | Cast Alloy | Titanium |
| Price | $603.75 | $60-80 | $800+ |
| Origin | USA | Imported | USA |
| Warranty | Yes | Limited | Lifetime |
FAQ
Where can I buy FRT-MR3 triggers online?
Available at Losranchosgunshop (losranchosgunshop.com) with same-day shipping from Peoria, IL.
Does this require special tools to install?
Basic armorer’s tools are sufficient – no specialized gunsmithing required.
What’s the pull weight?
Approximately 3.5-4 lbs with crisp break.
Is this legal in my state?
Check local laws – some jurisdictions restrict certain trigger types.
How does this compare to mil-spec triggers?
Significant upgrade in consistency and performance over standard mil-spec triggers.
✅ Same-day shipping from Peoria, IL
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
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