30mm Conversion 25mm Full Metal Guide Rail Level Meter Double Nail Fixture

Y0044 tube diameter leveler
Hunting rifle sight bubble level is suitable for 30mm barrel ring adapter 20mm Picatinny rail sight installation and alcohol bubble level
Perspective, maintain a perfect horizontal grip when shooting at extreme distances.
Suitable for different diameters of 30mm and 25.4mm, with P4 rail and bubble level
Completed with aerospace aluminum alloy materials and matte black.
Quickly and easily install the fastening screw onto the riveted joint using a screwdriver.
Perfect for long-distance shooting
Diameter: 30MM (also suitable for 25.4mm)
Material: Full Aluminum Alloy
Color: Matte Black
Packing includes:
1* leveling instrument clamp
1* wrench