G4 5.56 Complete Upper – 16″ Barrel

Description

G4 5.56 Complete Upper – 16″ Barrel

The G4 5.56 Complete Upper brings Gibbz precision to your existing platform. Featuring a *left
side, non-reciprocating side charging handle; beveled ejection port, rear bolt carrier door, and
charging handle cover, this upper brings the Gibbz pursuit of perfection to your favorite rifle.
Experience precision firsthand with industry-leading gas mitigation, 1 MOA, out of
the box, and our patented side charging handle. This upper will have you doing double takes at
the range.

*Right-side charging options are available.

Specifications for G4 5.56 Complete Upper

– GIBBZ Arms Patented Charging Handle
– Non-reciprocating with detent (keeps the charging handle forward during operation)
– Compatible with ALL Mil-Spec and most Custom Bolt Carriers
– Ballistic Advantage 16” 5.56 BA Hanson Barrel
– Beveled Ejection Port
– Full 15 Slot Picatinny Rail
– Bolt carrier door in the rear to allow for easy bolt carrier removal, and helps contain gases during operation
– Compatible with Mil-Spec and most other lower receivers
– Included is our Enhanced cam-pin optimized for our side charge upper with nitride coating.
– Charging handle cover helps to mitigate extra gases

IMPORTANT: You must use the G4 Enhanced Cam Pin in the G4 Side Charging Uppers! Use of the Standard Cam
Pin will cause the Bolt Carrier Group to lock up in the G4 Upper Receiver and be VERY difficult to remove and
possibly damage the Upper Receiver.

Click HERE for instructions on how to change the cam pin or check out our YouTube video.