I believe the stock is the supergrade copy Mcmillian makes, but I snagged it from gunbroker at a good price because it was unfinished. BSA the action is a pre64 300 H&H, but what I meant about fitting is the size of the rings. These were the only 26mm rings I had that wound fit the scope, and this was the base I chose to go with. Rev mike, they are low rings according to buehler.
Three most useless things to a pilot are: 1. The altitude above you 2. The runway behind you 3. The fuel on the ground
