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 )

and you don't have to reacquire your target before pulling the trigger

01mm  Outer Diameter : 8

Positive latch allows easy engagement from either side of the training weapon with either hand

Stock pad opens up TWO flashlight batteries compartment

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