COWCOW Technology OB1 Stainless Steel Threaded Outer Barrel for Tokyo Marui Hi-Capa 5.1 GBB Series (.40 marking) - Black

The COWCOW Technology OB1 Stainless Steel Threaded Outer Barrel is made specifically for the Tokyo Marui 5.1 GBB Series. The outer barrel won't hinder or increase the performance of the pistol in any way, shape or form but it will make your Hi Capa look incredible with the .40 marking on its side.