Magpul PRS coated in Brownell's Alumahyde 2 Semi Gloss Black. It was originally Flat Dark Earth. There is a "divot" about the size of your fingernail on top of the piece closest to the receiver. I bore down a little too hard with a dremel sanding a rough spot before painting. 100% cosmetic.It's the AR10 version, but will work fine with an AR15 also. Only difference is the cheek piece starts a little further back for an AR10 charging handle to clear. $160 shipped. text 770-778-4775 or email firstname.lastname@example.org for pics/response. Cash, check, USPS mo. I don't take PayPal.