HEPHAESTUS CNC Steel Enhanced Recoil Power Kit for GHK AMD-65 / AK 11.5 Inch SBR GBB Airsoft

CNC steel construction ( stainless steel dummy piston / steel piston rod with abrasion-resistant QPQ finishing / stainless steel adapter ) Evolved design and weight balancing for even better shooting experience and appearance over the previous version Increase recoiling mass to enhance kick and felt recoil Suitable for AMD-65 GBBR and GHK AK 11.5” SBR GBBR