This 6.03mm Inner Barrel is designed for the Echo1 M28 airsoft sniper rifle, based on the VSR-10 platform. The MadBull Black Python tightbore barrel increases accuracy and velocity when properly installed.
If you are looking to upgrade your airsoft sniper rifle, a tightbore barrel will decrease group size and increase range. This barrel is specifically designed to fit the Echo1 28 or Snow Wolf M24 VSR style airsoft sniper rifles. It will also fit other VSR10 or JG Bar10 style bolt action rifles, and is ideal for those looking for an extended tightbore to run through a suppressor.