| Model | W9147A | W9147B |
| Material | Aluminum Alloy | Aluminum Alloy |
| Color | Black | Black |
| Aperture | 25.4mm/30mm | 25.4mm/30mm |
| Rail size | 11 mm | 20 mm |
| Height | 21mm | 25.5mm |
| Length | 135mm | 136mm |
| Weight (g) | 185g/6.35OZ/0.397Lb | 195g/6.86OZ/0.430Lb |
Precision machined aluminum alloy with anodized black matte finish-friendly. Each airsoft rifle scope fixing ring has 6 hex screws with retention features, full length locking plate to guarantee easy installation and secure fit - fits all 11mm dovetail rails/20mm Picatinny, Weaver rails.