I'd like to shoot the CMP rim fire matches. I have a Ruger bull barreled 10/22 with slits for scope only on the rifle. It also has no sling. Any recommendations?

What scope have you found to be sturdy and reliable for this discipline?

Ruger announced a drop in trigger group for the 10/22 with a trigger pull less than the CMP allowed 3.0 pounds. I contacted Ruger for any info that would allow slightly more than three pounds. Info to follow hopefully.