I built this gun last year and had left it unfinished because I knew I would be fitting on some AAC accessories later. Took it apart last month and Cerakoted it all black. It had stainless barrel and bottom metal and the bolt was unfinished after the knob was installed. Along with the black finish is the AAC muzzle break which is patiently awaiting the sdn6 suppressor ( I am 8mo into the wait). This one is sooooo close to being finished.





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