Action Army Steel Power Up Spring for Airsoft AEG – M150 Tactical Pen 20g BBs and CO2)

20g BBs and CO2)

Super Soft Washed Choose Your Caliber With Bullets Printed On Front

Blade Steel: Japanese AUS10A

Sandvik 14C28N high-performance stainless steel blade holds its edge

The N690Co blade is intensively processed by RUIKE using cryogenic treatment and finally has a hardness of 58~60 HRC

Action Army Steel Power Up Spring for Airsoft AEG – M150 Tactical Pen 20g BBs and CO2)Steel construction Non linear spring design Easy to install part to increase your stock FPS Specifications: Compatibility: For Tokyo Marui, Matrix and other compatible Airsoft Gearboxes Material: Steel FPS estimate based on average power output. Exact FPS result may vary based on alignment, installation, inner barrel, cylinder and other factors. 110% (M85) ~270~310 F. P. S. 120% (M90) ~280~340 F. P. S. 130% (M95) ~290~370 F. P. S. 140% (M100) ~320~380