Beeman red dot scope for pic rail

This is a red dot scope attachment for a Beeman red dot scope> I have not tested it with others yet but it may fit if you try. The base of the model was very nicely made by https://makerworld.com/en/models/904490-side-picatinny-rail-half-dart-holder-nexus-pro?from=search#profileId-864292! Shout out to him!!