Maple Leaf Crazy Jet 6.03mm Inner Barrel Set for GBB (370mm)

Maple Leaf Crazy Jet 6.03mm Inner Barrel Set for GBB (370mm) Metal Construction Design For Upgrade the Original Parts High grade precision barrel at 6.03mm diameter for extra power and precision shooting Suitable For Gas Blow Back GBB Rifle Airsoft Guns Length: 370mm