Product Specifications : - Finish: Matte - Compatable with: 1911 Standard - Torx wrench screws and instructions included - CNC Machined For perfect Alignment - Locking screws with NYLOK Won #39;t back out under recoil or vibration - Leupold #39;s trademarked Dual Dovetail system (DD Mounts) MT672 MADE in USA