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CNC Aluminum Hopup Chamber for WA G&P King Arms System Airsoft M4 GBB Airsoft Rifles

2 Customer Reviews

by Hongxu W. on 09/10/2015
"Looks just fine. Better quality than the original hop up chamber in the challenge kit. Get it if you have a g&p challenge kit , ka or agm. And I think this is a CNCed piece.
by Alex T. on 03/30/2015
"The stock housing is higher quality than this one. The feed ramp on this was very rough and uneven. Didnt even install it..