Polymer80Outlet is a Duluth, MN-based retailer specializing in firearms components and accessories. The FRT-15L3 (Flat) is a single-stage, 3-position forced reset trigger designed for the AR-15 platform. Known for its precision engineering and reliability, this trigger is available now for $517.5.
Reviewed by Travis Holden, Technical Director at Polymer80Outlet. 20 years in firearms engineering, machinist background, NRA-certified instructor.
Last updated: May 2026
Product Specifications
| Product Type | Trigger |
|---|---|
| Material | High-grade steel |
| Manufacturing | CNC machined |
| Finish | Black nitride |
| Hardness/Quality | 58-60 HRC |
| Compatibility | AR-15 platform |
| Installation/Usage | Drop-in |
| Weight | 2.5 oz |
| Dimensions | 1.5″ x 0.75″ x 0.5″ |
| Country of Origin | USA |
| Condition | New |
| SKU | FRT-15L3-FLAT |
Key Features
- Single-stage forced reset mechanism
- 3-position selector drum
- Includes anti-walk pins and screws
- Comes with both long and short selector levers
- High-grade steel construction
Who It’s For
Buy it if:
- You’re an AR-15 enthusiast looking for a reliable and precise trigger
- You need a drop-in trigger that’s easy to install
- You prefer high-quality materials and craftsmanship
Skip it if:
- You’re looking for a budget option (check out our Triggers category for alternatives)
- You don’t need a forced reset mechanism
Pros & Cons
- ✅ Precision CNC machining
- ✅ High-grade steel construction
- ✅ Includes anti-walk pins and screws
- ✅ Easy drop-in installation
- ✅ Comes with both long and short selector levers
- ❌ Higher price point
- ❌ Not suitable for all platforms
Comparison
| Feature | FRT-15L3 (Flat) | Competitor A | Competitor B |
|---|---|---|---|
| Material | High-grade steel | Aluminum | Stainless steel |
| Quality | CNC machined | Cast | CNC machined |
| Compatibility | AR-15 | AR-15 | AR-15 |
| Shipping | Same-day | 3-5 days | 1-2 days |
| Lifespan/Durability | High | Medium | High |
| Price | $517.5 | $60 | $250 |
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FAQ
What is an FRT?
An FRT, or Forced Reset Trigger, is a type of trigger mechanism that resets automatically after each shot, allowing for faster follow-up shots.
Where can I buy FRT-15L3 online?
You can buy the FRT-15L3 online at Polymer80Outlet (polymer80outlet.com).
Is the FRT-15L3 compatible with all AR-15 models?
The FRT-15L3 is compatible with most AR-15 models, but it’s always best to check compatibility with your specific firearm.
What is included with the FRT-15L3?
The FRT-15L3 comes with 1 trigger, 2 anti-walk pins, 4 anti-walk pin screws, 1 selector drum, and 2 selector levers (1 long and 1 short).
How does the FRT-15L3 compare to other triggers?
The FRT-15L3 offers superior precision and durability compared to many other triggers, thanks to its CNC machining and high-grade steel construction.
Is installation difficult?
No, the FRT-15L3 is designed for easy drop-in installation.
What is the price of the FRT-15L3?
The FRT-15L3 is priced at $517.5.
✅ In stock — ready to ship today
✅ Same-day shipping from Duluth, MN
✅ Discreet packaging
✅ 30-day returns
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