Crusader Forward Assist Button for VFC M4 / Umarex (VFC) HK416 GBB Rifle (Blue) dual scope Fully licensed by Viking Tactics

Fully licensed by Viking Tactics

The adjustable cheek rest on the buttstock is removable

Polymer Frame with 20mm lower rail

17 Rounds Loading Capacity Magazine

Crusader Forward Assist Button for VFC M4 / Umarex (VFC) HK416 GBB Rifle (Blue) dual scope Fully licensed by Viking TacticsCrusader 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