Stainless baffle from my 223, several thousand rounds through it quite a lot with an AR on pest control. The duralum baffle was pretty munted after a couple of hundred but it was being shot at well in excess of the recommended hourly rate. The SS baffle didn't add any noticeable weight.
Cleaning regime is blast of wd40 or CRC long life in each end the second photo is of the only baffle in the stack 2 above the SS one that can be removed without jubilee clips and stilsons.
Looking at it I think I need to do a little decarbonization.
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