Marushin 4 inch Mateba Gas Revolver (Heavyweight Wood Grip Ver./ Silver) Gear-Box-Type_Version 2 Enabling it to internally charge

Enabling it to internally charge tracer bbs without the need of a tracer

Pro-Arms Aluminum CNC Outer Barrel for Marui Model 17 Gen4 (14mm Threaded)

John Moses Browning with the help of Harry Howland created the Model 37

The set is designed to give finer tuning to the hop up and reinforce any short comings the stock one might have

Marushin 4 inch Mateba Gas Revolver (Heavyweight Wood Grip Ver./ Silver) Gear-Box-Type_Version 2 Enabling it to internally chargeOnly a limited number of Mateba firearms have been manufactured. Developed by Mateba, a company based in Pavia, Italy, the Mateba M2007 operates similarly to conventional revolvers, relying on the user's physical actions of pulling the trigger and or cocking the hammer to activate its mechanism. However, what sets the Mateba apart is its distinctive barrel alignment. Unlike most revolvers, the Mateba positions the barrel at the bottom of the cylinder