50mmAO

Nikko MOUNTMASTER 3-9×50 PX Parallax AO Rifle SCOPE Sight with 3/8 11mm MOUNTS Excellent value, supplied complete with top quality double clamp all hex bolt mounts with stop pin. Weight quoted includes the mounts. Nikko Part No. NMM3950AO Tube Size: 1″ Weight: 610grams Length: 320mm Mounts: Supplied with mounts to fit 11mm dovetails (most MODERN airguns some .22 rimfires)….

On the same turret, you will find a red illumination control. This will help in low light conditions or if your target does not have enough contrast with the reticle.