The Black version of the Tokyo Marui M4A51 Gas Blowback Pistol is already in the market. Just like the tan version that came out ahead, it has Novak Officially Licensed Rear Sight, G10 Type Grip, Metal Notch Spacer, Parting Lines Finish, Upgraded Internals & Mechanism, and Diecast Magazine which has a capacity of 27 rounds as well as use the 1911 gas magazines from Tokyo Marui. Hyperdouraku takes a look at this GBB pistol in this video review.