TNT APS-X Hop Up System Inner Barrel Retrofit Kit for GHK AK ( 320mm )
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This 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.
TNT APS-X Hop Up System Inner Barrel Retrofit Kit for GHK AK ( 320mm )
- Vendor T-N.T. STUDIO ( TNT )
- SKU TNT-RK-GHK-AK-320
Disclaimer: Upgrading airsoft guns require necessary skill & technique, manual modification is necessary, consult expertise if needed.