Inner Barrel

TNT APS-X Hop Up System Inner Barrel Retrofit Kit for KSC MP9 Version 2 ( 370mm ) ( Black )

TNT APS-X Hop Up System GBB Retrofit Kit for VFC BCM MCMR / KAC SR16E3 / MK16 VR16 URG-I GBBR ( Front-Guide HOP-UP Unit )

TNT One-Piece Hop Up RetroFit Kit For Marui TM MWS GBBR Series ( S+ Inner Barrel & T-HOP Bucking )

TNT CNC Aluminum Hop-Up RetroFit Kit For GHK AK V3 GBBR Series ( 410mm S+ Inner Barrel )

TNT THE ONE TDC Hop Up Retrofit Kit For KJ CZ P-09 GBBP Series ( STD Type Inner Barrel & TL-HOP Bucking )

TNT THE ONE TDC Hop Up Retrofit Kit For KJ CZ P-09 GBBP Series ( S+ Inner Barrel & TL-HOP Bucking )

TNT APS-X Hop Up System Inner Barrel Retrofit Kit for KSC MP9 Version 2 ( 143mm )