Looking to add a little length to your Umarex Elite Force VFC 416 CQB? This VFC Metal Outer Barrel Extension for 416 Series allows you to convert your 416 CQB into a 416 Carbine. You can do this for looks, or add a longer inner barrel for performance. Completely up to you! This adapter is 14mm- (CCW) and will work on all CCW airsoft replicas that have the same thread type.