10-12-2020, 08:01 PM
(This post was last modified: 10-12-2020, 08:01 PM by GrendelHunter.)
Im using Nosler and Win unfired 7.62x39 brass (both large primer) and was able to size it straight to 6mm ARC using Lee case lube (kinda pasty buttery stuff). During fire forming it will stay the rough trim length or shrink slightly. Just a heads up.