Tightbore Inner Barrel + Performance Bucking: 119.9mm Length

Materials: Electroplated Brass & Silicone 
Compatibility: Compatible with most WE (Gen 2)/AW Hi-Capas 
Features:
    + High Performance Bucking
    + Rifled grooves on muzzle end of inner barrel for reduced turbulence, enhanced trajectory stability and reduced friction when projectile exits the inner barrel 
Bore Size: 6.01mm (+/- 0.01mm) 
Inner Barrel Length: 119.9mm 
Parts Included: 
   1 x HXAS#1 (Silver) Tightbore
   1 x HXAS#8 (Red) High Performance