Unicorn Airsoft 6.03mm GBB Nitroflon Coated Brass Inner Barrel for AAP01 GBB (129mm)

Unicorn Airsoft 6.03mm GBB Nitroflon Coated Brass Inner Barrel for AAP01 GBB (129mm) Metal Construction (Nitroflon Coating ) High grade precision barrel at 6.03mm diameter for extra power and precision shooting Suitable For AAP01 Gas Blow Back GBB Pistol Airsoft Guns For custom upgrade user, you can choose a longer barrel Length: 129mm