Steiner, T Series, Cantilever Scope Mount, 30mm, 35mm Height, Black, Fits Picatinny WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. 1 Piece Scope Mount Cantilever Attachment Fits Picatinny For 30mm Scopes 35mm Height Product Description The Steiner T-Series cantilever mount offers the perfect mounting solution for AR-15 and flattop platforms. Machined from rugged aluminum alloy to be incredibly strong, yet lightweight. This cantilevered mount combines ruggedness, lightweight and adaptability to be the perfect addition to your platform.