£0.00 GBP
This amazing full HOP-UP unit was especially developed to replace and upgrade the entire GHK-AR GBBR HOP-UP structure. With the ongoing demand for quality upgrade parts for GHK-AR GBBR, T-N.T. STUDIO has developed this HOP-UP chamber which includes all ne
410mm Inner Barrel Version
This amazing full HOP-UP Retrofit kit was especially developed to replace and upgrade the entire GHK-AK GBBR HOP-UP structure. With the ongoing demand for quality upgrade parts for GHK-AK GBBR, T-N.T. STUDIO has developed thi