Started building a .300 Blackout M4 but don't have time. It's an 11.5" barrel. It's is cerakoted in Burnt Bronze. There is a scratch on the ejection side. The parts list is:


-Matrix Aerospace Lower 


-Bolt Carrier Group


-Spikes Tactical Rail


-Surefire Flash Hider for Suppressor


-11.5" Barrel


-Ambi Charging Handle


-Strike First Ambi Selector


-Strike First Ambi Mag Drop


-Strike First Extended Bolt Catch


-Strike First Forward Assist


-Gungslinger Front Grip


-Magpul Flip Sights


-SupArms Adjustable Gas Block  (Suppressed)


-FAB Grip


-MFT Minimalist Stock


-Spec weight Buffer and Spring


-Spare Rollins