The Screaming Eagle Builder Set features our new Liberty Lower Receivers and a subdued black and grey Cerakote finish from Weapon Works. This Builder set has a laser etched bald eagle in American traditional art styling at the rear of the set and a dark grayscale stars and stripes pattern throughout the set. This package deal includes the finished pieces you need to assemble your own Screaming Eagle design M4E1 Rifle, including an M4E1 Enhanced Upper Receiver, M4E1 Special Edition Liberty Lower Receiver and our Gen 2 Enhanced Handguard all finished in a Screaming Eagle design. Be the talk of the range with this unique camo pattern. Remember, this finish is available one time only and in limited quantities, so get it while you can! Includes: M4E1 Enhanced Upper Receiver finished in a Screaming Eagle design. Upper receiver is assembled and includes the forward assist, dust cover and barrel nut. 15" Enhanced Gen 2 M-LOK Handguard finished in a Screaming Eagle design M4E1 Special Edition Liberty Lower Receiver finished in a Screaming Eagle design These July Builder Sets are available in your choice of M4E1 (AR15) 15" Enhanced Handguard, M4E1 (AR15) 9" ATLAS S-ONE Threaded, M4E1 (AR15) 15" ATLAS S-ONE Threaded, M4E1 (AR15) 9" ATLAS R-ONE Threaded, M4E1 (AR15) 15" ATLAS R-ONE Threaded, M5 (.308) 15" ATLAS S-ONE Threaded and M5 (.308) 15" ATLAS R-ONE Threaded configurations.