Yup. The earlier ones were Lyman Trulock copies and the later ones were Weaver compatible. Got a small drawer full of each. The Lyman compatible rings are pretty much round while the Weaver compatible ones are more angular getting kinda pointy on the sides. Not saying that they were actual Weavers. They do fit Weaver blocks. In any event, I have both. Maddog and I had this discussion some time back. Good thing for me that I still have two complete sets of the Lyman knockoffs in the original Savage packaging but those are keepers.
