Old Style G&G M4 with custom paint job. This gun is still rather solid and functioned well. Was build as a quick backup. Gearbox swapped out for better one. A couple issues which will be listed below -Upgraded G&P Gearbox swapped in for the original (Wired to Deans) -Will need a better buffer tube, wires sit outside currently which caused one to be clipped. -Needs new Selector plate. $80 Shipped and Feed $60 local pickup(Ocala Florida Area) PAYPAL ONLY