AIM Sports Inc 45 Degree Offset Picatinny Rail Mount Black Small. The rail mounts to a standard flat (non-angled) rail and accepts all Weaver and Picatinny mounting systems. Specifications for AIM Sports .45 Degree Angled Picatinny Rail Mount: Length: 2.1" Weight: 1.9 oz. Features of AIM Sports Inc 45 Degree Offset Picatinny Rail Mount Black anodized aircraft grade aluminum Accepts all standard Weaver / Picatinny 1913 accessories Designed for red dots flashlights and lasers Package Contents: AIM Sports Inc 45 Degree Offset Picatinny Rail Mount AIM Sports Inc MT022: 45 Degree Offset Picatinny Rail Mount Black Small