Originally Posted by
quack1
B&L made scope bases and so did Kuharsky Brothers of Erie Pa. The bases were nearly identical, and there were both one and two piece. There were two types of rings, one had a spring loaded rod that held them to the base and the other had a flat spring with a star shaped "nut" to provide the tension to hold the scope to the base. Don't know if they ever were any bases to fit grooved .22 receivers. There were two cross screws on the base, one controlled elevation and the other windage. Check ebay, usually some bases and rings on there.
Hope this helps.