The video is a test of the newly released Tokyo Marui M870 Tactical Gas-Powered Shotgun and comes with a full review by the Gungineer... "This is an impression of M870 TACTICAL gas shotgun that is sold by Tokyo Marui. Such as double-hop up to apply a 3-hop generation / 6 generation switching systems, even multiple development new technology offers a variety of power-packed action."

Read the full review at the Gungineer website. (In Japanese)