TNT APS-X Hop Up System Inner Barrel Retrofit Kit for GHK M ( 370mm ) ( Type A - Standard Adjusted Hop-Up Chamber ) Race Gun Parts the HK45 Series is a

the HK45 Series is a new paradigm for Heckler & Koch handgun design and the HK45C / HK45 Compact Tactical was adopted by the United States NSWC (Naval Special Warfare Command) under the designation Mk24Mod0

Effective Range: 8 Meters

Precision CNC-Machined from a single block of aerospace grade billet aluminum that has been engineered to ease the installation and removal of the baseplate

Helix™ Valve is compatible with Quick Mate Technology (QMT™) such as UTA™ and other Source accessories

Ranger Green

TNT APS-X Hop Up System Inner Barrel Retrofit Kit for GHK M ( 370mm ) ( Type A - Standard Adjusted Hop-Up Chamber ) Race Gun Parts the HK45 Series is aTHIS 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 )