AOLS 6.03mm Inner Barrel Brass 117mm for GBB

117mm (4.606in) barrel length.
6.03mm tight bore for precision shots.
Made from Brass with smooth bore and cylindrical grinding surface.
Wide hop window for improved bucking contact and performance.
For WE, TM, Matrix, G&P and other compatible Airsoft GBB pistol.
Net Weight: 40g.
Presented by Airsoft Industry Co.