T-N.T. Studio APS-X Inner & Outer Barrel with Hopup Rubber Complete Set For KSC MP9 (345mm) Manufacturer_Ready Fighter -The RM1 Guide Rod is

-The RM1 Guide Rod is compatible with Tokyo Marui Hi-CAPA / 1911 Series Airsoft GBB Pistols

your hop up packing is probably worn down

- GB-272 (5KU)

- Can not be used on KWA / Marui

Item Code: GM0382

T-N.T. Studio APS-X Inner & Outer Barrel with Hopup Rubber Complete Set For KSC MP9 (345mm) Manufacturer_Ready Fighter -The RM1 Guide Rod isT N. t Studio specially designed for KSC MP9 TP9 GBB Full CNC five axis precision machining, can be used with T N. T full range of general specifications precision Air cushion inner barrel !! T N. T MP9 Retrofit Kit change not only material but also change to conventional, completely flip the performance of the KSC MP9 !! Let your KSC MP9 at the same time both the rifle range, and really become a battlefield beast ! More straight, more accurate, and