WE - Metal RAPTOR Adaptive Rail System for WE M4 GBB Series (BK) SMG Army M60 magazine box (same

Army M60 magazine box (same as the INOKATSU one)

- Steel Gear & Metal Gearbox

Reference the APC sizing chart for correct fitting

Machined aluminum construction

WE - Metal RAPTOR Adaptive Rail System for WE M4 GBB Series (BK) SMG Army M60 magazine box (sameSpecification Material: Metal alloy Description This converstion kit suitable for WE M4 GBB Series, modification may need for installing this kit on the other brand M4 GBB Series. Feature Package include: RAPTOR Rail System set x1 Dummy Gas Block and dummy gas tube set x1 14mm CCW Flash Hider with crush washer & O ring set x1 Short rail x2 Long rail x1 Outer Barrel for WE M4 GBB x1