GUARDER 6.02 Inner Barrel with Chamber Set for MARUI G17 Gen4 GBB Airsoft

Suitable for Tokyo Marui G17 Gen4 GBB airsoft Steel HOP-UP rail block included Bore Size: 6.02 mm Barrel Length: 97 mm Material: Barrel: Cooper Hop-up chamber : Aluminum Bucking : 70° rubber Weight: 50 g