Good mounts - but packaging can be confusing - Burris Airgun / Rimfire Signature 1 inch Rifle Scope Mount Rings for .22 grooved receivers

I put these mounts on a Remington Speedmaster .22 w/grooved mounts built-in to the weapon along the top of the action. The scope is a 2-7x28 Leupold Rimfire 1 inch. The cut grooves in the gun are thin and I needed a set of rings with relatively sharp bases for grabbing the grooves. These rings are adjustable to a variety of widths but the width set in the package was good for my use. The plastic inserts allowed for the scope to be mounted without lapping. I don't believe this system will mark the scope like the typical metal to metal system. The mount feels firm and the dozen rounds I've fired do not appear to have moved the rings. This looks like a good choice for a rimfire scope.