Guarder AEG Tune-Up Spring 150 for PSG-1 Electric Machine Gun HFC22 Gas Power (Muzzle Velocity)

HFC22 Gas Power (Muzzle Velocity) 300 FPS (Top Gas Test @ 25°C Room Temperature) Manufacturer Umarex Package Includes Umarex H&K USP Compact Tactical GBB Pistol

Revolutionary designed ONE PIECE Outer Barrel over very solid weapon frame

Metal Feed Tray

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Guarder AEG Tune-Up Spring 150 for PSG-1 Electric Machine Gun HFC22 Gas Power (Muzzle Velocity)Guarder Airsoft AEG Tune Up Spring Series SP150 (~492 Fps (0. 2g BB)) For Tokyo Marui PSG 1 Series Airsoft Sniper For Tokyo MaruiAirsoft Electric Gun (AEG) Sniper PSG 1 Supreme Quality Airsoft Electric Gun Spring Oil Quenched & Tempered Si Cr Alloy Steel Wire Type Spring offer stable performance Ready to upgrade your Airsoft Sniper to ~490FPS Muzzle Velocity Power Output may vary if used in conjunction with our upgrade parts Material: Oil Quenched