Metal Fixing Connector for M3 M4 M4A M4B M4C NK007s NK007 Plus Night Vision Scope Add on Infrared Camera Attachment

This metal connector is much stable when connecting to the scope, no swing, no loose.
And it is with hole to the scope’s diopter lens ring, so you can adjust the sharpness of the crosshairs when it is blur after connect the night vision camera on.

The kit fixes 39-49mm scope eyepiece, it includes:

1x metal fixing connector;

1x O ring (inner OD: 40mm）（Fits 39-42mm eyepiece);

1x O ring (inner OD: 42mm）（Fits 41-44mm eyepiece);

1x O ring (inner OD: 45mm）（Fits 44-47mm eyepiece);

1x O ring (inner OD: 47mm）（Fits 46-49mm eyepiece);