Hephaestus Enhanced Buffer Kit for Umarex/VFC HK417 GBB Series Standard Base Pad SIR System

SIR System

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

SKU KA-AG-109 Item Weight (gram) 3000 Major Color Black Length 620mm / 705mm (Extended) Barrel Length ~200mm Hop-up Adjustable Shooting Mode Semi/Fully Automatic Gearbox Type 2 AEG Power Source KA 1600 mAh Crane Stock Type Battery Fit Battery Pack Crane Stock (Nickel / Li-Po) Barrel Thread Type Counter-Clockwise Barrel Thread Diameter 14mm Magazine Capacity 310 Rounds Bullet Type 6mm BB Power (Muzzle Velocity) 380FPS Package Includes King Arms SIG 516 PDW AEG (Short Version)

SKU FMA-TB584 UPC N/A Item Weight (gram) 200 Major Color Black Length 190mm Adaptive End 14mm Counter-Clockwise Built Material Metal Manufacturer FMA

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

Hephaestus Enhanced Buffer Kit for Umarex/VFC HK417 GBB Series Standard Base Pad SIR SystemHephaestus 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