T-N.T. Studio APS-X Inner & Outer Barrel with Hopup Rubber Complete Set For KSC MP9 (345mm) Manufacturer_Ready Fighter your hop up packing is

your hop up packing is probably worn down

Manufacturer Tokyo Marui / TM Length 238mm Hop-up Fixed Shooting Mode Semi-Automatic Magazine Capacity 24 Bullet Type 6mm BB Power (Muzzle Velocity) 320 FPS (Top Gas Test @ 25C Room Temperature

Item Code: GM0382

Overall Width (Hinge-Hinge): 144mm

T-N.T. Studio APS-X Inner & Outer Barrel with Hopup Rubber Complete Set For KSC MP9 (345mm) Manufacturer_Ready Fighter your hop up packing 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