Sightmark 34mm Bubble Level Ring are crafted out of aircraft-grade aluminum for a lightweight, durable design and are available in two different ring diameters, 30mm (SM19044) and 34mm (SM19045). Quickly attach the bubble ring to your riflescope with the single bolt attachment. The 34mm Bubble Level Ring helps distribute pressure evenly when tightening and features a highly visible center line that easily ensures the bubble is properly centered, eliminating an offset riflescope.
This would be a great addition to Umarex G28 , also available @ Bunker501
|Width (in/mm)||0.56 / 14.1 in / mm|
|Tube size, in/mm||1.34 / 34 in / mm|
|Torque spec for mount||10-12 in lbs|