- 45 Angled Mount. Mounts To Standard Picatinny / Weaver-Style Rails. Angled Mount Provides Fast Transition To Backup Optic. Ideal For Mounting Lights / Lasers Without Blocking Optical Sight. Slim Design Minimizes Weight And Bulk. Mounts In Any Configuration: Left Or Right Side, Top, Or Bottom Rail. CNC-Machined 6061-T6 Aluminum