Bolt (Part No.53) for KWA KRISS Vector GBB Category_Suppressor Item Weight (gram) 2000 Major Item Weight (gram) 2000 Major Color Black Length 800mm Barrel Length 297mm x 3 Hop up Fixed Shooting Mode Semi Automatic Other Power Source Pump Action Magazine Capacity 30 Rounds per shell Bullet Type 6mm BB Power (Muzzle Velocity) 285FPS Manufacturer Tokyo Marui TM Package Includes Tokyo Marui SPAS 12 Airsoft Shotgun 4V 3300mAh Fit Battery Pack Large (Nickel) Barrel Thread Type Counter Clockwise Barrel Thread Diameter 14mm Magazine Capacity 70 Bullet Type 6mm BB Power (Muzzle Velocity) 280 FPS Auto Firing Rate 700 ~ 850 Rounds per Minute Package Includes Tokyo Marui US M14 Airsoft AEG Rifle (Fiber OD Version)