Hephaestus Enhanced Buffer Kit for Umarex/VFC HK417 GBB Series Standard Base Pad With the use of 8mm

With the use of 8mm German made bearing bushing

For instance

Built Material    Steel Construction

Replace standard pistol grip set of Tokyo Marui Hi-Capa Series Airsoft Gas Blow Back GBB Pistol

This is a replacment piston for APM40 Spring Action Sniper rifle used

Hephaestus Enhanced Buffer Kit for Umarex/VFC HK417 GBB Series Standard Base Pad With the use of 8mmHephaestus Enhanced Buffer Kit for Umarex VFC HK417 GBB Series CNC machined aluminum casing with spring loaded steel weight insert. Increase kick, enable sharp recoil and reduce bolt carrier bounce, without sacrificing gas efficiency. Removable steel weight insert for different shooting experience. Drop in replacement for original Buffer assembly (04 2 & 04 3). Suitable for Umarex VFC HK417 Series Airsoft Gas Blow Back GBB Rifle