MAXX CNC Aluminum Hopup Chamber M4G combat gear The "Wedge Lock" system consists

The "Wedge Lock" system consists of two wedge-shaped planes

The D loop on Type S swivel is moved a bit downward and slimmer in size to protrude less and take up less space

ZKS-74M / ZK-104 / ZKS-74UN / ZP-19-01 / Sport ZKS-74M /  Sport ZK-104 /  SportZKS-74UN /  Sport ZP-19-01

Nylon Polymer construction

it may work with other brands AEG but cannot be guaranteed

MAXX CNC Aluminum Hopup Chamber M4G combat gear The "Wedge Lock" system consistsPending product description from MAXX. Updated version of M4A + M4P. For use with GBB buckings + GBB barrels only. GBB buckings with a centering fin and no c clip compatibility may require modifications to install.