VF9-HOP-M4G-07
VFC M4 GBBR Airsoft Hop Up Set - New Version (Rotary Style)
CURRENT STOCK: 3
This first-party original part is a drop-in replacement for VFC AR14 / M4 GBBRs. Part: Rotary Style Hop-Up Compatibility: VFC AR15 / M4 GBBRs