As long as it is a 1 inch tube model scope, the Medium height should give you enough clearance.
The Burris Airgun / Rimfire Signature 1 inch Rifle Scope Mount Rings for .22 grooved receivers should work with the CZ 457 Varmint.
The Burris Airgun / Rimfire Signature 1 inch Rifle Scope Mount Rings are not compatible with the Browning SA-22 since it does not use a grooved receiver. You can, however, purchase the Browning SA-22 Base (linked below) and install it to your rifle. At that point you would be able to utilize these scope rings.
https://www.opticsplanet.com/browning-sa-22-base-gloss-finish-12333.html
Yes it will.
Yes, as long as your gun has the standard 3/8ths or 11 mm dovetail.
Yes. The Burris Airgun / Rimfire Signature 1 inch Rifle Scope Mount Rings for .22 grooved receivers fit 3/8 dovetail rails/receivers. You can get them in a medium height (0.80"), or high height (0.95").
Yes, these rings should fit that dovetail.
Yes, these rings should fit.
Yes, these rings will fit that rifle. Height will depend on your optic. For further assistance, please email us at techsales@opticsplanet.com
Please contact us at techsales@opticsplanet.com with the make and model of your gun and we will be happy to assist you further.