Polymer80Hub is a Johnson City, TN-based retailer specializing in precision firearm components. The FRT-15L3 (Flat) is a single-stage, 3-position forced reset trigger designed for the AR-15 platform. Engineered for rapid-fire performance, this trigger is built to enhance your shooting experience. Available now for $517.5.
Reviewed by Derrick Cole, Range Master & Reviewer at Polymer80Hub. 19 years competitive shooting, product tester for 3 manufacturers.
Last updated: May 2026
Specifications
| Product Type | Trigger |
|---|---|
| Material | High-grade steel |
| Manufacturing | CNC machined |
| Finish | Black nitride |
| Hardness/Quality | 60 HRC |
| Compatibility | AR-15 platform |
| Installation/Usage | Drop-in installation |
| Weight | 2.5 oz |
| Dimensions | 2.75″ x 1.5″ x 0.5″ |
| Country of Origin | USA |
| Condition | New |
| SKU | FRT-15L3-FLAT |
Key Features
- Single-stage, 3-position forced reset mechanism
- Includes anti-walk pins and screws
- Selector drum and levers for precise control
- High-grade steel construction for durability
- Black nitride finish for corrosion resistance
Who It’s For
Buy it if:
- You’re a competitive shooter looking for rapid-fire performance
- You want a reliable, durable trigger for your AR-15
- You prefer drop-in installation for ease of use
Skip it if:
- You’re on a tight budget (see our Triggers for alternatives)
- You don’t need advanced rapid-fire capabilities
Pros & Cons
✅ High-grade steel construction for durability
✅ Drop-in installation for ease of use
✅ Includes anti-walk pins and screws
✅ Black nitride finish for corrosion resistance
✅ Designed for rapid-fire performance
❌ Higher price point compared to basic triggers
❌ May require some adjustment for optimal performance
Comparison
| Feature | FRT-15L3 (Flat) | Cheap Import | Premium Brand |
|---|---|---|---|
| Material | High-grade steel | Low-grade steel | High-grade steel |
| Quality | 60 HRC | 40 HRC | 58 HRC |
| Compatibility | AR-15 | AR-15 | AR-15 |
| Shipping | Same-day | 1-2 weeks | 1-3 days |
| Lifespan/Durability | 10,000+ rounds | 5,000 rounds | 8,000 rounds |
| Price | $517.5 | $60 | $250 |
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FAQ
What is a FRT?
A FRT (Forced Reset Trigger) is a type of trigger designed to reset automatically after each shot, allowing for rapid-fire capabilities.
Where can I buy FRT-15L3 (Flat) online?
You can purchase the FRT-15L3 (Flat) at Polymer80Hub (polymer80hub.com).
What is the difference between FRT-15L3 and FRT-15L3 Flat?
The FRT-15L3 Flat features a flat trigger face, providing a different feel compared to the standard curved trigger.
Is the FRT-15L3 Flat compatible with all AR-15s?
Yes, the FRT-15L3 Flat is compatible with most AR-15 platforms.
What is included with the FRT-15L3 Flat?
The package includes the trigger, anti-walk pins, screws, selector drum, and levers.
How does the FRT-15L3 Flat compare to other triggers?
The FRT-15L3 Flat offers superior rapid-fire performance and durability compared to many other triggers on the market.
What is the lifespan of the FRT-15L3 Flat?
The FRT-15L3 Flat is designed to last over 10,000 rounds with proper maintenance.
Trust Signals
✅ Same-day shipping from Johnson City, TN
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
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