The rail utilizes a standard weaver style or 3/8" dovetail mounting system. This scope rail is the same one that now comes standard with all Crickett Gen. 2 youth rifles. When your young marksman is ready to upgrade, pair it up with the Crickett Scope and open a whole new experience of shooting fun. Features:Also compatible with Keystone Sporting Arms' Chipmunk line of riflesSpecifications:Type: 1 Piece BaseColor: BlueFit: CrickettFinish: Matte Blued