The MadBull 6.03 tightbore barrel increases accuracy and velocity. This model fits all standard length AK and SLR models, as well as the CA M14 Scout and other airsoft rifles
MadBull\\'s Black Python tightbore inner barrels are anodized aluminum andfeature an inside diameter of 6.03mm. This tighter inside diameter andmore consistent interior finish make the MadBull tightbore barrelssignificantly more accurate than stock airsoft rifle barrels.
The 455mm barrel fits AK AEGs, as well as other airsoft rifles with 18inch or similarly sized barrels.