The FRT-15L3™ is a drop-in trigger replacement designed for the AR-15 platform. It provides a consistent, reliable reset for enhanced control. Since we added it to our inventory in early 2026, it has consistently been one of our top-selling components in its category. This is a practical upgrade for shooters focused on improving their platform’s performance.
Stand-Out Features
- Engineered for a crisp, consistent break and rapid reset.
- Drop-in design simplifies installation with minimal gunsmithing required.
- Constructed from hardened steel and aluminum for long-term durability.
- Maintains reliable function across a wide range of ammunition types.
- Packaged discreetly; note that the product itself is excellent, though the factory box is on the flimsier side.
Technical Data
| Model | FRT-15L3™ |
| Platform | AR-15 / M16 / M4 |
| Weight (measured) | 4.6 oz |
| Installation | Drop-In |
| Finish | Mil-Spec Phosphate |
| Material | Hardened Steel / Aluminum |
| Compatibility | Standard AR-15 Lower Receiver |
Your Questions Answered
Is this a complete drop-in unit?
Yes. The FRT-15L3™ comes as a complete, self-contained cassette-style trigger group. It includes the hammer, disconnector, and necessary springs pre-assembled for straightforward installation into a standard AR-15 lower receiver.
What is the legal status of this item?
This is a trigger component. It is the purchaser’s responsibility to understand and comply with all federal, state, and local laws regarding firearm parts and their use. Polymer80Warehouse is a licensed FFL and ships in full compliance with applicable regulations.
Do you offer installation services?
We do not perform gunsmithing or installation services. The drop-in design is intended for user installation by those familiar with their firearm’s mechanics. Always ensure your firearm is completely unloaded before attempting any work.
✅ Plain brown box — no markings
✅ Not happy? Return within 30 days.
✅ Checkout secured with SSL encryption
✅ Domestic shipping — no customs
Reviews
There are no reviews yet.