Madbull Airsoft Tightbore Barrel (Ultimate 6.01mm Aluminum 7075 T6, Length 229mm)

The new Ultimate series barrels utilizes a new manufacturing process which promises a thicker, stronger barrel. Additionally, the more precise tooling process produces a more constant and precise inner diameter. This tightbore barrel is designed to fit the NP5 AEG, and serves as a great upgrade that improves the air seal for more accuracy, stability, reliability and added power.