Genesis CNC 80% Lower Receiver - .308 Lower Receiver Product Description Compatible with a DPMS Lower Parts Kit, with the exception the rear takedown pin (NOT included with Lower). Confirmed magazine fitment with Gen2 / 3 Pmags, KAC magazines and DPMS magazines. Machine tumbled with inert media blast for uniform finish Aircraft Grade 7075-T6 Billet Aluminum No machining of any kind performed in the area of the trigger / hammer recess Completely solid and un-machined in the trigger / hammer area Requires specialized machining to complete 100% The operations left to be completed: Fire control group Trigger pin Hammer pin Trigger slot Safety selector hole. This is a not an FFL item. We have a copy of our ATF determination letter and our determination update stating that it is not a firearm.