Yes, I believe all of most are gloss and they are just polished aluminum.
Maybe yours are not the "Grand Slam" Weavers? I thought those were steel...
Would it be easy to post a pic?
I like the Warne mounts for doing the work, but I too don't like it all that much when the mount bases extend over the port or beyond the rings.
The Warne gloss bases I have are like those pictured above, although apparently they're only cataloging matte finishes these days:
https://warnescopemounts.com/product/winchester-model-70-w-860-rhs-matte/But I think 2-piece bases for a Model 70 non-magnum action doesn't matter if it's pre- or post-'64? And my M70 is from circa '71...
-Chris
