This new 6.01mm tightbore barrel from MadBull is constructed of 7075 Aircraft Alloy with a hard anodized finish. If you're looking for a tightbore barrel for your AEG and you want superior accuracy, check out the MadBull Ultimate Tightbore Barrel.
Tighter bore increases FPS and provides enhanced accuracy. The hard anodized finish prevents scratching. This 300mm tightbore barrel will fit most CQB carbines, other compact M4 AEGs, and many other carbine size airsoft guns.