G&P MWS Forged Aluminum SI M4 Receiver Set w/ Hopup Chamber (Cerakote Black Finish) for Marui M4A1 MWS GBB Net-Weight-(g)_2519 Length : 509mm

Length : 509mm

Hand Stop & Extenable Stock

KJ Works KP-17 23rds Gas Magazine

Engraved Realistic Marking (Officially Licensed Gemtech Trademarks)

red) & Adjustable Rear Sight

G&P MWS Forged Aluminum SI M4 Receiver Set w/ Hopup Chamber (Cerakote Black Finish) for Marui M4A1 MWS GBB Net-Weight-(g)_2519 Length : 509mmG&P MWS Forged Aluminum SI M4 Receiver Set w Hopup Chamber (Cerakote Black Finish) for Marui M4A1 MWS GBB Aluminum Construction (Black Cerakote finish) Engraced "Strike Industries" Marking Cerakote finish For better resistance to the elements and or potentially corrosive chemicals. Design For Upgrade the Original Parts More Durable Comes with a hop up chamber to further maximize the performance of the rifle Suitable For Tokyo Marui M4A1 MWS Series