Hop-Up Enhancements

Reference: AIR-G-20-014

Brand: GG

G&G Hop-Up Chamber for G&G GBBR (Plastic)

G&G Hop-Up Chamber for G&G GBBR (Plastic) - Metal Construction - Design for Replace the Original hop Up Chamber - For G&G GBBR Series Airsoft Electric Gun AEG Rifle Gearbox