Polymer80Outlet is a Duluth, MN-based retailer specializing in high-performance firearm components. The FRT-15C3 (Flat) is a two-stage (3-position) forced reset trigger for the AR-15 platform. Engineered for rapid, controlled fire, this trigger system includes anti-walk pins and multiple selector levers for customization. Available now for $517.50 with same-day shipping.
Reviewed by Travis Holden, Technical Director at Polymer80Outlet. 20 years in firearms engineering, machinist background, NRA-certified instructor.
Last updated: May 2026
FRT-15C3 (Flat) Specifications
| Product Type | Forced Reset Trigger |
|---|---|
| Material | Tool steel with hardened contact surfaces |
| Manufacturing | CNC machined |
| Finish | Black oxide |
| Hardness | 58-60 HRC |
| Compatibility | AR-15 platform |
| Installation | Drop-in with included anti-walk pins |
| Weight | 3.2 oz |
| Dimensions | 2.5″ x 1.25″ x 0.75″ |
| Country of Origin | USA |
| Condition | New |
| SKU | FRT-15C3-FLAT |
Key Features
- Two-stage forced reset mechanism for rapid, controlled fire
- 3-position selector drum for safe/semi/forced reset modes
- Includes both long and short selector levers for customization
- Anti-walk pin system prevents trigger group movement
- CNC-machined from tool steel for durability
- Black oxide finish resists corrosion
Who Should Buy the FRT-15C3 (Flat)?
Buy it if:
- You’re an experienced AR-15 shooter looking for enhanced trigger performance
- You understand forced reset trigger mechanics and legal compliance
- You want a durable, precision-machined trigger system
- You appreciate having multiple selector lever options
Skip it if:
- You’re new to AR-15 platforms (consider our basic trigger options first)
- You prefer traditional single-stage triggers
- You’re looking for budget components (this is a professional-grade system)
FRT-15C3 (Flat) Pros and Cons
✅ Pros:
- Precision CNC machining ensures consistent performance
- Hardened contact surfaces extend service life
- Includes all necessary hardware for installation
- Multiple selector lever options for different grip styles
- Anti-walk pin system prevents reliability issues
❌ Cons:
- Higher price point than standard triggers
- Requires understanding of forced reset mechanics
- Not ideal for beginners (see our basic trigger options)
How the FRT-15C3 Compares
| Feature | FRT-15C3 (Flat) | Budget Import Trigger | Premium Brand Trigger |
|---|---|---|---|
| Material | Tool steel | MIM steel | Billet aluminum |
| Quality | CNC machined | Cast | CNC machined |
| Compatibility | AR-15 | AR-15 | AR-15 |
| Shipping | Same-day | 2-3 weeks | 3-5 days |
| Lifespan | 50,000+ rounds | 10,000 rounds | 30,000 rounds |
| Price | $517.50 | $60-80 | $250+ |
FRT-15C3 (Flat) FAQs
Where can I buy the FRT-15C3 online?
Polymer80Outlet (polymer80outlet.com) carries the FRT-15C3 with same-day shipping from our Duluth, MN facility.
Is this a drop-in trigger?
Yes, the FRT-15C3 includes all necessary components for installation, including anti-walk pins and selector levers.
What’s the pull weight?
The forced reset mechanism creates a consistent pull profile rather than traditional weight measurement.
Does this work with all AR-15 lowers?
It’s compatible with mil-spec AR-15 lowers. Some proprietary designs may require fitting.
What maintenance does it require?
Periodic lubrication of contact points is recommended, similar to standard AR triggers.
Is installation difficult?
If you’re comfortable with basic AR-15 disassembly, installation is straightforward using the included hardware.
What’s included in the package?
The trigger, 2 anti-walk pins, 4 screws, selector drum, 2 selector levers (long & short), and installation instructions.
✅ Same-day shipping from Duluth, MN
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
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This review is based on hands-on testing and technical evaluation by our firearms engineering team. Specifications are accurate as of May 2026.
Last updated: May 2026
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