A. very light pitting
B. rust
C. can develop slow or fast...humidity, corosive residue, ect
D. can make your gun harder to clean...also extraction problems possible...more prone to rerusting....
E. not really
F. clean you gun soon after useing...proper storage..
G. can sometimes be polished out [if real lite] honeing may help with a little heavier frosting
H. yes


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