TNT APS-X Hop Up System Inner Barrel Retrofit Kit for VFC M ( 275mm ) Mag Extension Easy to use and replace

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TNT APS-X Hop Up System Inner Barrel Retrofit Kit for VFC M ( 275mm ) Mag Extension Easy to use and replaceThis new amazing Retrofit Kit was especially developed to replace and upgrade the entire VFC AR HOP UP structure. With the ongoing demand for quality upgrade parts for VFC AR GBB, TNT STUDIO has developed this Retrofit Kit which includes all necessary parts including a HOP UP bucking and HOP UP chamber. TNT APS X Hop Up System Inner Barrel Retrofit Kit for VFC M ( 275mm )