Tokyo Marui 37rds Gas Magazine for Marui P226 Series GBB (Stainless)

Tokyo Marui 37rds Gas Magazine for Marui P226 Series GBB (Stainless) Metal Construction 37 Rounds Loading Capacity Extended Version Magazine (More 12 Rounds BB than the Origianl) Suitable for Tokyo Marui P226 Series Airsoft Gas Blow Back GBB Pistol