TNT APS-X Hop Up System Inner Barrel Retrofit Kit for GHK M ( 370mm ) ( Type B - Inside Hex key Adjusted Hop-Up Chamber ) Killflash - Not Included PPS M870

- Not Included PPS M870 Shell

When the magazine is fully loaded

We use a vacuum pouch for several reasons: The vacuum pouch allows the crystals to be spread out over a large surface area which provides a lot of illumination in an enclosed environment

These technologies combined to provide optimal flight and trajectory

TNT APS-X Hop Up System Inner Barrel Retrofit Kit for GHK M ( 370mm ) ( Type B - Inside Hex key Adjusted Hop-Up Chamber ) Killflash - Not Included PPS M870THIS NEW amazing system was especially developed to replace and upgrade the entire GHK M4 hop up structure. with the ongoing demand for quality upgrade parts for GHK M4, TNT AIRSOFT STUDIOS has developed this kit which includes all necessary parts including a gbb hop up bucking and cnc hop up chamber. TNT APS X Hop Up System Inner Barrel Retrofit Kit for GHK M ( 370mm )