Umarex 20RDS Gas Magazine For Glock 17 Gen 5 GBB Airsoft (For GHK Glock Only)

Umarex 20RDS Gas Magazine For Glock 17 Gen 5 GBB Airsoft (For GHK Glock Only) Metal Construction Airsoft Magazine Fully Licensed 20 Rds Loading Capacity Best accompanied with Plastic Bullet Loading Too or Speed Loader Designed To Work With Green Gas Suitable For GHK G17 Gen5 GBB Series Airsoft Pistol Only