American Defense Manufacturing Medium Modular Base Mini Trijicon ACOG Mount Black Small. It is designed to accept several different risers to accommodate a variety of optics. Standalone it is ideal for the 1.5?3x Power Mini ACOG Scopes such as the TA33 and TA44. The overall length of the base is 2.1". It is precision machined from 6061 T6 aluminum and finished in hard coat T3 Mil-Spec anodize. It features the Patented QD Auto Lock Lever system to accommodate both in spec and out of spec rail systems. Specifications for American Defense Manufacturing Small Modular Base Mini Trijicon ACOG Mount: Manufacturer: American Defense Manufacturing Color: Black Fit: Trijicon ACOG Red Dot Sights-Footprint: Not Applicable Optic Cut: Not Applicable Condition: New Additional Features: Titanium Lever Medium Package Contents: American Defense Manufacturing Small Modular Base Mini Trijicon ACOG Mount American Defense Manufacturing AD-B2-TL: Medium Modular Base Mini Trijicon ACOG Mount Black Small