This Williams Gun Sight Company manufactured WGRS series receiver peep sight with standard aperture and binding screw is for the Ruger Min-14 Ranch & Mini-30 semi-auto rifles and is in as new condition. The receiver peep sight mounts on the top rear section of the receiver where your folding rear sight would normally attach.  (file photo)

Warning: this sight will NOT fit on standard model Mini-14 rifles.

Note: Williams Gun Sight Company discontinued this sight at the end of 2021