American Defense Manufacturing AD-RMR Offset Mount 45 Degree Offset and RH Lever Position Black Small AD-RMR-OFFSET-45-RH-TL. Available in 33 and 45 degree offsets with Right or Left hand mounting. Left Hand mount will place the optic on the Left Side of the rifle. Right Hand mount will place the optic on the Right Side of the rifle. The mount requires of clearance under the scope tube or eye piece to fit under the scope. Specifications for American Defense Manufacturing AD-RMR Offset Mount: Manufacturer: American Defense Manufacturing Color: Black Red Dot Sights-Footprint: RMR Optic Cut: Not Applicable Hand: Right Length: 1.35 in Weight: 3 oz Condition: New Additional Features: 45 Degree Offset and Right Handed Lever Position Titanium Lever Features of American Defense Manufacturing AD-RMR Offset Mount The base is 1.35 long; The 33 model was designed specifically for use with the ACOG Optic; The 45 is for use with scopes with large adjustment caps Package Contents: American Defense Manufacturing AD-RMR Offset Mount American Defense Manufacturing AD-RMR-OFFSET-45-RH-TL: AD-RMR Offset Mount 45 Degree Offset and RH Lever Position Black Small