The AAP-01 Hop-Up chamber is a replacement for the stock AAP-01 hopup chamber.
This improved hopup is designed for the best precision adjustment experience in your AAP-01.
Action Army was founded in Taiwan in 2010. It focuses on offering products such like airsoft sniper rifles, hi-precision inner barrels, AEG motors and gears, hop-up rubbers, GBB valves, BB’s and many more. Their main goal is to provide customer with high Taiwan quality in affordable price. If you are looking for great upgrade parts for your replica without paying a small fortune – Action Army is Your choose.