Weaver Thumbnut Flat Top Riser Rail – AR15 / M16
$52.10
The Weaver Thumbnut Flat Top Riser Rail allows you to easily mount optics on your AR15 or M16 rifle, with multiple slots for adjusting eye relief.
2 in stock
Now you can convert your AR-15 or your M16 into the most suitable optics platform by using the newly designed Weaver Thumbnut Flat Top Riser Rail – AR15 / M16. This design has multiple slots which give you myriad of options when you are setting eye relief. The riser rail is constructed out of aircraft-grade 6061-T6 aluminum. The final product has a durable finish made of black matte.
The product is engineered to ensure optimal mounting height for any ring and optic combinations. There is also a new thumbnut feature which provides for fast and reliable detachment and installation sans tools.
| Weight | 0.513 lbs |
|---|---|
| Dimensions | 9.950 × 3.650 × 1.250 in |
| Manufacturer | Weaver |
| Finish | black matte |
| Material | 6061-T6 aluminum |
| Compatible With | AR15, M16 |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

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