Tokyo Marui M870 Breacher Shotgun (Black)Specifications: Brand: Tokyo Marui Operation: Green Gas Material: Full Metal Receiver and Barrel Firing Modes: Semi Automatic w Safety Muzzle Velocity: 300 350 FPS (w 0. 20g BBs) Hop Up: Yes, Fixed Inner Barrel Length: 197 mm Inner Barrel Diameter: 6. 03 mm Full Length: 20. 25" Shell Capacity: 30 Rounds Color: Black Weight: 4 lbs 2 oz Package Includes: 1X Shotgun, 1X Shell, 1X Gas Cartridge, 1X BB Bag, 1X Manual Features: Much like the previous TM