AIP Steel Grip Screws For TM 1911 Type 2 Silver Handguard Item Weight (gram) 2170 Major Item Weight (gram) 2170 Major Color Black Length 520mm Barrel Length ~ 210mm (3 Inner barrel) Hop up Adjustable Shooting Mode Semi Automatic Other Power Source 134a (Gas) Magazine Capacity 30 Rounds Bullet Type 6mm BB Power (Muzzle Velocity) 210FPS (134a Gas Test @ 25°C Room Temperature) Manufacturer Tokyo Marui TM Package Includes Tokyo Marui M870 Breacher (Gas Powered Shotgun) Item Code: JLP GMSB Regular maintenance is needed for all airsoft guns in order to keep it in good working condition and reduce wear out issue on parts for Tokyo Marui 1911 Series GBB Pistol