I think using aluminum for scope rings or bases is a bad idea. The recommended torque settings for steel rings are higher. There is a reason for that. Hopefully, you never have to drill and tap a base screw out of a receiver. It will ruin your day. Burris and Leupold have been around along time. They know which rings are best for their scopes. Simple and bomb proof come to mind. Just some food for thought spiced with some opionion is all.