G&P Bolt Carrier Hammer Assist (Short) for Tokyo Marui M4A1 MWS GBB Replica-Type_SNIPER the Bren comes with an

the Bren comes with an ambidextrous fire selector

It simply requires sliding the launcher onto the bottom rail of the hand guard and tightening two set screws which are included

KWC M40 Model Fixed Slide CO2 Version Magazine

Storing this smaller ECU unit in the factory stock tube means that there is room remaining to store a LiPo battery in the remainder of the stock tube

G&P Bolt Carrier Hammer Assist (Short) for Tokyo Marui M4A1 MWS GBB Replica-Type_SNIPER the Bren comes with anG&P Bolt Carrier Hammer Assist (Short) for Tokyo Marui M4A1 MWS GBB Prefer to using <300mm inner barrel Perfect for dealing with the stresses of green gas over longer term use Fit for Tokyo Marui M4A1 MWS Series Airsoft Gs Blow Back GBB Rifle Only