Accurate 2520 and Leverevolution

[grayfox]

Couple of great articles, lots of info to ponder... some history as well as more current stuff
https://precisionrifleblog.com/2020/03/2...practices/

this is one of the trio at the end of that article, they are all good but check this one out esp.
https://precisionrifleblog.com/2020/04/0...ment-data/