Thread: Cleaning the inside of brass - Thoughts

Good quality SSM kit and you will get brass better than new. It makes USC look like you are in the dark ages.

So for all you inside cleaners.
Have you tested for any difference in velocity/ES or something?

Originally Posted by TeRei

Good quality SSM kit and you will get brass better than new. It makes USC look like you are in the dark ages.

Very keen to hear this to VC, really was the main reason for post, weather cleaning the inside (not just the neck) will have an effect on POI etc.

Originally Posted by Grunta

Very keen to hear this to VC, really was the main reason for post, weather cleaning the inside (not just the neck) will have an effect on POI etc.

Left but says no
Primer pocket cleaning blah blah

And does sonic(or tumbling for that matter)work harden your brass.
Logic says it must but to what extent?

Stainless pin media works as advertised in my experience, both inside and out. I made up a tumbler as I thought the 'thumler model B' was over priced once landed in NZ.

I guess the actual measured performance difference between clean/dirty would be negligible.

I do it because I can and I want to keep my dies clean.

I agree, some peening must occur in tumbled brass but I haven't read anything so far to support shortening of the useful life of the case.

Cleaned up my BP brass in. Simple tumbler in the lathe at slow RPM, have tried rice with auto solve and worked well. Then got some walnut media so tried that, spun for half hour, not impressed back to rice mix. Could put some auto solve with the walnut but walnut is expensive, happy with the rice brew, except I have to polish of the residue cleaner.

The green Lyman treated cob is the ducks balls for tumbler

Battery drill and scourer pad for smaller batches