TNT APS-X Hop Up System Inner Barrel Retrofit Kit for GHK M ( 265mm ) Bolt The stainless steel cylinder casing

The stainless steel cylinder casing is much stronger

- Turbo Valve Polar Jet

Long wearing design

5L zippered pocket provides quick access to small essentials

TNT APS-X Hop Up System Inner Barrel Retrofit Kit for GHK M ( 265mm ) Bolt The stainless steel cylinder casingTHIS 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 ( 265mm )