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Posted: 4/22/2016 4:08:21 PM EDT
I have an Adams Arms Tactical Evo with the standard mid length pic piston. Totally new to ARs so this is probably a dumb question but is it normal to get carbon dust on your front sight, rail, and light where the piston is? Dust is on the back of the front sight and the tail cap of the light, not the lens.Probably have about 150ish rounds and only started noticing it now.
Trade-off from DI, that bled-off gas has to vent somewhere...
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