Burris Optics | BTC Objective Adapter | Black

The Burris Thermal SmartClip adapter mounts a Burris Thermal Clip‑On (BTC) to a riflescope objective. Size is the outside diameter of the optic's objective bell. Screw the adapter onto the BTC and clamp it with a quick‑detach cam lever. Options cover 30 mm to 63.5 mm objective bells. 57 mm Ultra Slim Edition. Burris item 626640.