G&P Aluminum A2 Buffer for Marui M4A1 MWS GBB Rifle Tanaka Works SNIPER This particular inner barrel comes

This particular inner barrel comes as a set with a hop up chamber already attached

The installation is very easy and the interference in the replica is limited only to running one or two additional wires from the contacts

and stabilizer strap make it comfortable carry heavy loads for extended periods of time by taking the weight off your shoulders

Made of durable-rugged aluminum

G&P Aluminum A2 Buffer for Marui M4A1 MWS GBB Rifle Tanaka Works SNIPER This particular inner barrel comesG&P Aluminum A2 Buffer for Marui M4A1 MWS GBB Rifle Aluminum Construction More robust & durability Suitable for Tokyo Marui M4A1 MWS GBB Long Buffer Tube