Includes: Scope Ring Mount, Allen wrench Materials: 6061 Aircraft Grade Aluminum Scope Compatibility: 30mm Scope Tubes Red Dot Compatibility: Docter footprint, RMR footprint, T1/T2 footprint, or picatinny Weight: 2 oz Finish: Hard Anodized Black Warranty: Lifetime The Monstrum Micro Red Dot Ring Mount for Rifle Scopes is built for mounting a red dot sight as a secondary sighting system directly to your rifle scope tube. This setup allows for fast transition between your rifle scope and a 1x power red dot optic for use at closer ranges. The red dot mount is available in multiple styles: Docter footprint, RMR footprint, T1/T2 footprint, or picatinny red dot base. Please refer to the compatibility chart graphic before purchasing.