AirTac Customs ALU EDGE Grip for AEG 4uantum On the rear is an

On the rear is an opening that allows easy adjustment of the TDC wheel

The Wolf User manual explains in detail how to wire this:

Just stick the adapter onto the speedloader and load

Airtac CRBN HPA Upper for M4 AEG bodies

AirTac Customs ALU EDGE Grip for AEG 4uantum On the rear is anCNC Aluminium Angled Motorgrip with battery storage The AirTac Customs EDGE grip for AEG is here! For a while, the speedsoft M4 trend has been moving towards HPA rifles with grip bottle adapter. Here's a first; a fully CNC machined motorgrip with an integrated battery stock. It's a very unique and expensive design. The motorgrip is machined from 1 piece of aluminium, with a secondary adapter piece that is also machined aluminium. The whole design is