Tight bore 6

Using a wide 23mm field of view

where should not be a problem with compatibility with our CNC gearbox

It's fully compatible with most aftermarket soft and hard rubber buckings without sacrificing FPS or dropping BBs

Red/Green dot with 10 levels of brightness adjustment for each color

Atlas Custom Works M5 Red Dot with Riser Mount Venom Tight bore 6Specifications Manufacturer: Atlas Custom Works Material: Aluminum Battery: 1x AAA (Battery NOT Included) View: 18. 8ft Eyepiece diameter: 18mm Water resistance level: IPX7 Aiming lens diameter: 18mm Magnification: 1x Type: Monocular Features Metal Construction Multiple Levels of Brightness Fit to mount on 20mm Picatinny Rail Powered by AAA Battery Adjusted for windage and elevation Flip up lens covers 2 MOA red dot for precise and fast target