NINE BALL Power Barrel 145.5mm / 6.00mm Ultratight bore Hi-Capa/MP7A1 aluminum Built Material : Aluminum

Built Material : Aluminum

Inner Barrel with Chamber Set  for MARUI G17 Gen4 Gas Blow-Back GBB Series

8 spacer for fine tuning

For TOKYO MARUI G17/19 Gen4

Nylon Fiber

NINE BALL Power Barrel 145.5mm / 6.00mm Ultratight bore Hi-Capa/MP7A1 aluminum Built Material : AluminumNineball Power Barrel 145. 5mm 6. 00mm Ultratight bore Hi Capa MP7A1 Inner bore width of 6. 00mm with a 0. 01mm tolerance! Designed with an ultra tight bore for higher precision and accuracy! The Nineball ultra tight bore 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 ultra tight bore power barrel reduces the amount space around the BB