T-N.T. Studio APS-X Hop-Up System with Inner Barrel for Marui Hi-Capa 5.1 GBB (112mm)

T-N.T. Studio APS-X Hop-Up System with Inner Barrel for Marui Hi-Capa 5.1 GBB (112mm) Any Tokyo Marui GBB is already an accurate pistol so designing a new inner barrel and hop up is a challenge. The APS-X T-N.T APS-X Hop-Up System actually helps push BBs past 30 metres, which is something that Marui guns always had issues with due to their low power Include High Precision 6.03mm inner barrel & Hop Up rubber