Nine Ball 6.00 Tight Bore 4.3 Inner Barrel for Hi Capa (97mm)
Nine Ball tight bore barrels are our favorite on the market. The 6.00 inner barrel diameter is perfect for heavily increasing your FPS as well as accuracy. These our are go to barrels, and will give you a great overall performance boost.
Note: if you are not an experienced tech and would like someone to build it for you, please reach out to us here.