VFC M4/ MK18 / MK12.. GBB Bolt Carrier Set [NPAS탑재]
[2019]3S Buffer for VFC/WA/G&P/WE/VIPER M4 GBBR Series(Steel)
Maple Leaf Crazy Jet Inner Barrel 370mm / 455mm for GBBR
Crusader M4 GBB Rotatable Tactical Sling Swivels-BK