04-10-2019, 07:51 PM
Looks to be leaking on the GB adjustment screw, could be preservative or sealant there.
As for color anything in your reloading process that might effect it? Lube left on cases, media left in case? What powder are you running some are noted for being sootier then others?
As for color anything in your reloading process that might effect it? Lube left on cases, media left in case? What powder are you running some are noted for being sootier then others?