Airsoft Masterpiece Aluminum Magazine Base (STI Style) for Marui Hi-Capa 5.1 GBB Power-(fps)_285 FPS Ready to go for 350FPS

Ready to go for 350FPS without modification

Sold separately)

G&P 1500rds Attack Type Auto Winding Drum Magazine for Marui M16 Series (Black)

Design For users that might want to us a stiffer spring for a prolonged period of time

Airsoft Masterpiece Aluminum Magazine Base (STI Style) for Marui Hi-Capa 5.1 GBB Power-(fps)_285 FPS Ready to go for 350FPSAirsoft Masterpiece Aluminum Magazine Base (STI Style) for Marui Hi Capa 5. 1 GBB Aluminum Construction These magazine base adds to the aesthetics of the pistol and also provides protection from dropping your magazine Suitable for Tokyo Marui Hi Capa 5. 1 Series Airsoft Gas Blow Back GBB Pistol