Ruger Mini-14 and Mini-30
okay... so i know people use the bolt lock to mount scopes... as seen in this photo:
http://www.omegamanenterprises.com/images/liteimages/ScopesnMounts/Mini%2014%20duplex%20scope%20and%20mount.jpg
and i have found this mount which has the picatinny rail along side of the rifle...