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full CNC metal shell
By connecting your servo you can centre and test your endpoints easily with the integrated Servo output port
This will provide an easier reach for the slide release as it is elongated
Internal: Internally Baffled (Can Take Foam - 38mm Foam Found Here)
it is manufactured with authentic Dupont™Zytel® polymer for superior wear and damage resistance as well as durability
5KU AAP-01 CNC Aluminium Lightweight Blowback Unit - Type 1 - Red Engine Only full CNC metal shellThe 5KU Blowback Unit is a lightweight Aluminium blowback unit designed to be a replacement for the Action Army AAP 01 GBB pistols. This blowback unit is much more durable and lighter compared to the original polymer BBU, which will allow for much faster cycling.
