Powder coated vs lubed cast bullets and throat/bbl erosion

CWLONGSHOT

Residing in New England
Probably has more "give" to it too. Not sure how to term that idea...surface strength?
Its hard ta measure but "30" is what I learned and have read as well. Ya cannot measure a bullet "thru" it. Ya need file it off BOTH ENDS as it compresses differently too giving false values.

But yea it can move and not be breached.

CW
 

Bret4207

Northern NY Dangerous extremist...???
Flexible-ness? Up above I wrote I wouldn't be concerned until it got up to 50Bhn or so. I meant ROCKWELL! Duh!
 
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