MP7A1 GBB 6.00mm Power Barrel 145.5mm

Nineball Barrel 145.5mm/6.00mm Power Barrel MP7 A1  ●Inner bore width of 6.00mm with a ±0.01mm tolerance! The Nineball power steel barrel for gas blowback handguns is the result of all the accumulated technologies and experience gathered from the Prometheus EG barrel series. The Nineball tight bore power barrel reduces the amount space around the BB to increase the overall air pressure behind the BB itself. Reducing as much possible air loss allows for the power barrel to achieve maximum performance.    ■Brand :NINE BALL   ■Compatible Model: ・Tokyo Marui MP7 A1    ■Barrel Length: 145.5mm ■Inner Bore Diameter: 6.00mm ■Material: Stainless Steel (SUS)