TNT APS-X Hop Up System Inner Barrel Retrofit Kit for GHK M ( 370mm ) ( Type B - Inside Hex key Adjusted Hop-Up Chamber ) Killflash We use a vacuum pouch

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

- Not Included PPS M870 Shell

Dynamic Precision Stainless Steel Dummy Suppressor Adapter M11 CW to M14 CCW

Weight: 3g

- CQB Railed Handguard with SAI QD System (Gray) (COP124GY)

TNT APS-X Hop Up System Inner Barrel Retrofit Kit for GHK M ( 370mm ) ( Type B - Inside Hex key Adjusted Hop-Up Chamber ) Killflash We use a vacuum pouchTHIS 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 )