Looking at the M&P clearly less wear.
Looking at the SR-16's and SR-25's I would say less wear - but one of the SR-16 cam pins is wearing -- due to tolerance stack, I generally don't use cam pins as good wear gauges.
Bolt lugs appear to show significantly less wear on them. My intent is to shoot 30k through the 11.5" suppressed and check it compared to other guns that did not have FIREClean.
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