T-N.T. Studio APS-X Hop-Up System with Inner Barrel for AEG (140mm)

T-N.T. Studio APS-X Hop-Up System with Inner Barrel for AEG (140mm) The APS-X T-N.T APS-X Hop-Up System actually helps push BBs past 60 metres, which is something that a lot of out of the box AEGs cannot achieve these days. Include High Precision 6.03mm inner barrel & Hop Up rubber