5KU SPORT4 & B33 Tactical Handguard Kit for MARUI AKM GBB ( GBTMAK001BK )

CNC aluminum construction Lightweight design Modular rail panel system compatible with B-2 rail section SPORT-4 Handguard kit includes 5KU B-31LV / B-10L / DL-2 / B-33 / CNC outer barrel Z-style Зенит Спорт-4 handguard complete set Suitable for MARUI AKM GBB airsoft *Minor modify may required