I wouldn't tumble it. The individual grains of powder are coated & this + their size controls burning rate. Tumbling may change that.Read a can of powder, it says do not shake (for that reason).Try a little steel wool or a rag w/DA on the cases.
1 - 1 of 1 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.