Manufacturer: Burris 420189
This Burris picatinny accessor rail ring-top is designed to make to their XTR line of tactical scope rings, and comes in durable, hard anodized matte black finish. Simply replace the top half of the ring, and you now have a short picatinny rail attachment point for a light, laser, red dot, or other accessory.
Specifications and Features:
Picatinny accessory rail ring-top for Burris XTR 30mm Rings
Lightweight aluminum construction
1" Tube diameter
Matte black anodized