Clamps on to a standard 3/8" and 11mm width airgun/.22 dovetail base rail to convert it to a Weaver/Picatinny base that can take weaver/picatinny base mounts instead.

Features:

• 22/Airgun Mount Base to Weaver/Picatinny Tactical Rail Adaptor
• Made from Aircraft Grade Aluminum Alloy with Matte Black Finish
• 9.9cm/ 3.9" Long Top Rail with 9 Slots and Middle V-cut
• Complete with One Vertical Stop Pin