TNT APS-X Hop Up System Inner Barrel Retrofit Kit for GHK AK ( 410mm ) Stop Related align-self:stretch}FCC G4 1/2 x 28

align-self:stretch}FCC G4 1/2 x 28 Thread Adapter ( Aluminum )

TNT STUDIO specially designed for KSC MP9 GBB GD

NOTE: Jellyfish will not fit on Dual-illuminate type models (RM03

**  the manual modification is necessary

TNT APS-X Hop Up System Inner Barrel Retrofit Kit for GHK AK ( 410mm ) Stop Related align-self:stretch}FCC G4 1/2 x 28This new amazing Retrofit Kit was especially developed to replace and upgrade the entire GHK AK HOP UP structure. With the ongoing demand for quality upgrade parts for GHK AK GBB, TNT STUDIO has developed this Retrofit Kit which includes all necessary parts including a HOP UP bucking and HOP UP chamber.