T-N.T. Studio APS-X HOP-UP SYSTEM HOP-UP Retrofit Kit for KWA/KSC M4 GBBR (510mm) Major Color_Red Weight : 24g

Weight : 24g

Weight: 25g

Can take Red Gas without modification

Item Code: GM0117-SV

: FN57-05(OD)

T-N.T. Studio APS-X HOP-UP SYSTEM HOP-UP Retrofit Kit for KWA/KSC M4 GBBR (510mm) Major Color_Red Weight : 24gT N. T System APS X HOP UP SYSTEM HOP UP Retrofit Kit for KWA KSC M4 GBBR (510mm) Features : Simplify the original complex components. The inner barrel can be used T N. T. System all series of precision Air cushion inner barrel (O D 8. 5mm) H+ inner barrel(O D 9. 95mm), has been changed to a general specifications , to rid itself of special specifications. Improve the original innerbarrel rotation problems , improve the stability of shooting. T N. T.