TNT APS-X Hop Up System Inner Barrel Retrofit Kit for GHK M ( 370mm ) ( Type A - Standard Adjusted Hop-Up Chamber ) Race Gun Parts Effective Range: 8 Meters

Effective Range: 8 Meters

Glass-Like™ bacteria resistance

Similar to our APM50

Ranger Green

- For TM G17/22/26/34

TNT APS-X Hop Up System Inner Barrel Retrofit Kit for GHK M ( 370mm ) ( Type A - Standard Adjusted Hop-Up Chamber ) Race Gun Parts Effective Range: 8 MetersTHIS 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 )