Not a Unertl but a Lyman Super Target 15x with Premier ret on a Savage 99EG Salesman Sample in 300 Savage. Late 1930s vintage.
Target blocks holes on receiver and barrel are factory on this gun. Took me awhile to find the blocks. Still have to sight in and stretch it out a little. That should be complete in a few weeks. Have thought about getting this setup for awhile now.