Crusader Dummy Piston Rod for Umarex H&K P7M13 Airsoft GBB

The Crusader Dummy Piston Rod is a premium aftermarket realism upgrade designed specifically for the high-end VFC / Umarex Heckler & Koch P7M13 Gas Blowback (GBB) pistol. The real-steel H&K P7 series is world-renowned for its unique gas-delayed blowback system, which utilizes a small piston attached to the front of the slide that rides inside a cylinder underneath the barrel. While an airsoft GBB pistol replicates this firearm's operation using internal gas nozzles and a standard recoil spring layout, this Crusader upgrade ensures that the visual mechanics Technical Specifications Feature Specification Manufacturer Crusader Pistol Compatibility Umarex / VFC H&K P7M13 Gas Blowback (GBB) Component Type External/Internal Aesthetic Realism Upgrade Material Build Precision Machined Metal Alloy Color Finish Matte Gunmetal / Black