Selling this as I want to thin out my collection. This is a a project build I made last year. Originally it was a G&P M4A1, i have changed the hand guard, and receiver, so they only parts that are from the original gun are the outer barrel and gearbox. I have put in a new motor, new hop unit and rubber. New gears and a deans connection. It comes a red dot, mock suppressor, stubby grip and peq box. There are a few scratches on the receiver and the charging handle just pulls out as it is not attached to anything.