TNT APS-X Hop Up System Inner Barrel Retrofit Kit for GHK AK ( 580mm ) Pin ●Improve the original "AEG specifications

●Improve the original "AEG specifications rubber" to "GBB specifications rubber"

FMA PEQ LA5 Upgrade Version LED White Light and Green Laser with IR Lenses ( BK )

o Recoil Spring Guide w/ 120% Spring

Variety of Modes: Low/High light and IR

- Capacity: 50 Rounds ( 6mm BBs )

TNT APS-X Hop Up System Inner Barrel Retrofit Kit for GHK AK ( 580mm ) Pin ●Improve the original "AEG specificationsThis 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 ( 580mm )