Thickness: 3mm (0.1 inch) weight (net): 12G (0.4ounce) high quality aluminum alloy in durable black matte finish designed for real fire caliber with 2 screws and 1 plate for installation, you need to remove your rear sight first.

• Designed for Colt 1911 such as -22 to fit Ade rd3-001, rd3-02, rd3-009 and similar style mini Red dot sight such as sight mark mini shot reflex sight. It fits Colt 1911
• Covered under Warranty for life
• Made using the highest quality materials
• Attaches firmly to your firearm for sure performance in tactical situations
• Replaces the Picatinny mount packaged with the Red dot sight

Designed for Colt 1911 such as -22 to fit Ade rd3-001, rd3-02, rd3-009 and similar style mini Red dot sight such as sight mark mini shot reflex sight. It fits Colt 1911Ade Advanced Optics