The alumina grit blast removes any oxide film; without any protective layer oxide will reform (starting in minutes).
Heating and coating (painting) should be done as soon as possible after blasting. 30 min. OK, a few hours maybe; but overnight is too long (oxide will have a chance to return...
Welcome
:ingo: Welcome to INGO!
Besides seeing DL and possibly a LTCH (I think it is a good idea), if you are trying to buy a rifle on INGO you need 50 Quality Posts (;) and perhaps only one post regarding a rifle purchase during a FTF without a LTCH should count?).
I have seen some rifles...
Bacon
After noting the long lines (here on INGO), I took the money I would spend for parking and entry and bought some bacon and eggs (Indiana Kitchen - Premium cut):
:bacondance::bacondance::bacondance: