Sight ID Please

jpc

Only marking on the sight is "101" stamped on the bottom of the base.

Base is 13/64 or 5.05 mm

Thank you for looking and your help and input ☺

jpc

Hi:

Any hints where else I might try?

thanks

jpc

I don't think it is military, but..............

1873man

What I find odd is its a fixed sight with knurling on the side which you only find on rear barrel sights that have elevation adjustment.

jpc

Interesting and yes that does sound correct

thank you