wet tumbling
for many, many years I never cleaned my pistol brass (primer pockets or otherwise). when I started reloading 556 I was concerned about trash harming my dies so I built a large capacity wet SS pin tumbler and now I clean everything.
does it make a difference, I dunno. But having clean brass inside and out, does help me quickly see the powder charge in each case. In most cases the primer pocket will be shiny clean, but not always. regardless they are clean enough that I can not imagine there being any negative impact.
for many, many years I never cleaned my pistol brass (primer pockets or otherwise). when I started reloading 556 I was concerned about trash harming my dies so I built a large capacity wet SS pin tumbler and now I clean everything.
does it make a difference, I dunno. But having clean brass inside and out, does help me quickly see the powder charge in each case. In most cases the primer pocket will be shiny clean, but not always. regardless they are clean enough that I can not imagine there being any negative impact.