UAC Aluminum Lightweight Bolt Carrier for Marui M4A1 MWS GBB (Gold) Type B Only compatible with AGM /

Only compatible with AGM / Element WA stock tube ( 5KU / GP / WA Stock tube can not fit )

Stock pad opens up TWO flashlight batteries compartment

The checkered polymer frame is offered in Black and Flat Dark Earth and has a low-bore axis for reduced felt recoil and enhanced operator control

- Silver Edge Gear Box Installed

The most updated 7511 Type Motor for the PTW EVOLUTION represents the pinnacle of Airsoft motor technology based on Systema

UAC Aluminum Lightweight Bolt Carrier for Marui M4A1 MWS GBB (Gold) Type B Only compatible with AGM /UAC Aluminum Lightweight Bolt Carrier for Marui M4A1 MWS GBB (Gold) CNC 6061 Aluminum Construction (Hard Anodize) Suitable for Tokyo Marui M4A1 MWS Series Airsoft Gas Blow Back GBB Rifle Lightweight and trim with style Increase the rate of fire and faster shooting cycle