Aim Sports T1 QD Mount Lower 1/3 Co-Witness Features a machined recoil lug and steel hardware to prevent wear between mounting surfaces. Utilizing a quick release base, the generously sized lever is textured for easy operation under any conditions. Features: - 6061 T6 aluminum - Black anodized - Machined recoil lug - Absolute Co-witness - Lenght: 2" - Weight: 1.7 oz. Manufacturer: Aim Sports MFG Number: MTQ073 UPC: 815879018113