What Is the FRT-15L3 (Flat) Trigger?
Theglockswitchshop is a Flagstaff, AZ-based retailer specializing in high-performance firearms components. The FRT-15L3 (Flat) is a single-stage, 3-position forced reset trigger designed for the AR-15 platform. Engineered for rapid fire control, this trigger offers a unique reset mechanism that enhances shooting speed. Available now for $517.50 with same-day shipping.
Reviewed by Chad Mercer, Operations Lead at Theglockswitchshop. 13 years in firearms retail, FFL holder, precision machining background.
Last updated: May 2026
FRT-15L3 (Flat) Specifications
| Product Type | Forced Reset Trigger (FRT) |
|---|---|
| Material | Precision-machined steel |
| Manufacturing | CNC-milled, U.S.-made |
| Finish | Black oxide |
| Hardness/Quality | 58-60 HRC |
| Compatibility | AR-15 platform |
| Installation/Usage | Drop-in, requires anti-walk pins |
| Weight | 2.8 oz |
| Dimensions | 1.5″ x 0.75″ x 0.5″ |
| Country of Origin | USA |
| Condition | New |
| SKU | FRT-15L3-FLAT |
Key Features of the FRT-15L3 (Flat)
- Forced Reset Mechanism – Enhances rapid-fire capability while maintaining control.
- 3-Position Selector – Offers safe, semi, and forced reset modes.
- Flat Trigger Design – Reduces finger fatigue and improves consistency.
- Includes Anti-Walk Pins – Prevents trigger movement under heavy use.
- Selector Drum & Levers – Comes with both long and short levers for customization.
Who Should Buy the FRT-15L3 (Flat)?
Buy it if:
- You want a high-performance trigger for rapid fire.
- You prefer a flat trigger for better ergonomics.
- You demand U.S.-made, precision-machined components.
Skip it if:
- You need a traditional two-stage trigger (check our Triggers section).
- You’re on a tight budget (we offer more affordable options).
FRT-15L3 (Flat) Pros & Cons
Pros:
- ✅ Superior forced reset mechanism for rapid fire.
- ✅ Flat trigger reduces finger fatigue.
- ✅ Includes anti-walk pins for stability.
- ✅ U.S.-made with precision machining.
- ✅ Compatible with most AR-15 lowers.
Cons:
- ❌ Higher price point than standard triggers.
- ❌ Requires proper installation for optimal performance.
FRT-15L3 (Flat) vs. Competitors
| Feature | FRT-15L3 (Flat) | Budget Import Trigger | Premium Brand Trigger |
|---|---|---|---|
| Material | Steel (58-60 HRC) | Cast alloy | Steel (55-58 HRC) |
| Quality | CNC-milled, U.S. | Mass-produced | CNC-milled, U.S. |
| Compatibility | AR-15 | AR-15 (may vary) | AR-15 |
| Shipping | Same-day | 2-3 weeks | 1-2 days |
| Lifespan | 10,000+ rounds | 3,000-5,000 rounds | 8,000+ rounds |
| Price | $517.50 | $60-80 | $250+ |
FRT-15L3 (Flat) FAQ
What is an FRT trigger?
An FRT (Forced Reset Trigger) is a specialized trigger that resets automatically after each shot, allowing for faster follow-up shots compared to traditional triggers.
Where can I buy the FRT-15L3 (Flat) online?
You can purchase the FRT-15L3 (Flat) at Theglockswitchshop.com with same-day shipping from Flagstaff, AZ.
Is the FRT-15L3 (Flat) legal?
Laws vary by jurisdiction. Always check local regulations before purchasing.
Does the FRT-15L3 (Flat) come with installation instructions?
Yes, it includes detailed instructions for proper installation.
What’s the difference between the FRT-15L3 (Flat) and curved triggers?
The flat design reduces finger fatigue and improves consistency, especially during rapid fire.
Can I use the FRT-15L3 (Flat) in any AR-15 lower?
It’s compatible with most mil-spec AR-15 lowers, but always verify fitment.
What’s included in the package?
The trigger comes with anti-walk pins, screws, a selector drum, and two selector levers (long and short).
✅ Same-day shipping from Flagstaff, AZ
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
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