G&P MWS Forged Aluminum M4 Upper Receiver w/ Hopup Chamber(Cerakote Black Finish)for Marui M4A1 MWS GBBR

The G&P upper receiver set for the TM M4 MWS GBBR is a high quality upgrade part designed to offer more durability to users wanting a more authentic experience.

The forged aluminum upper receiver is lightweight and comes with a G&P hop-up chamber to further maximize the performance of the rifle. It also comes with a black Cerakote finish for better resistance to the elements and/or potentially corrosive chemicals.

Compatibility:

• Tokyo Marui M4 MWS GBBR Series Rifles

Includes:

• x1 G&P MWS Forged Aluminum M4 Upper Receiver (Cerakote Black Finish)for Marui M4A1 MWS GBBR
• x1 Hop-Up Chamber