AAP-01 BBU Replacement Parts

Genuine Action Army replacement parts for the AAP-01 blowback unit (BBU), each listed under its number on the Action Army parts list: the blowback housing, nozzle block, guide rod, recoil spring, selector switch and selector plate, plus the AAP-01C blowback housing and selector set.

These are the factory parts. Find a part by its number on the interactive AAP-01 parts diagram, or browse all AAP-01 replacement parts. For upgraded blowback units, see AAP-01 BBU.