Crusader Forward Assist Button for VFC M4 / Umarex (VFC) HK416 GBB Rifle (Blue) dual scope The adjustable cheek rest on

The adjustable cheek rest on the buttstock is removable

Umarex 40rd CO2 Magazine for MP40 6mm GBB Rifle (1 Joule Version)

Blow Back System

17 Rounds Loading Capacity Magazine

GHK redesign the internal & reproduce the mold

Crusader Forward Assist Button for VFC M4 / Umarex (VFC) HK416 GBB Rifle (Blue) dual scope The adjustable cheek rest onCrusader Forward Assist Button for VFC M4 Umarex (VFC) HK416 GBB Rifle (Blue) Metal Construction If the bolt goes forward, it slides a BB into the chamber but if it fails to go into a fully forward position simply racking the charging handle again will not clear the previous BB Instead, you can push the bolt the rest of the way using the forward assist. Suitable For VFC M4 Umarex (VFC) HK416 Series Airsoft Gas Blow Back GBB Rifle