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

ID: 37888 (HU-5KU-GB-104)
GB-104 / CAG091
CNC Aluminum Hopup Chamber for WA G&P King Arms System Airsoft M4 GBB Airsoft Rifles
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5KU / APS

$15.00

Compatibility: For WA, King Arms, G&P and other similar Airsoft M4 GBB Rifles
Material: CNC Aluminum

Manufacturer: 5KU / Matrix

Disclaimer: Please use discretion when installing custom parts as fit and compatibility may vary. Some modification may be required. Professional installation recommended.

About 5KU / APS

5KU is a division of APS Limited, focused on manufacturing high quality aluminum and steel external upgrade accessories for AEG and GBB airsoft guns.

3 Customer Reviews

(Write a review)

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 Devin G. on 02/04/2024
"It’s better than the original, just can’t get it on! It advertises that it is for KA and WA upper receivers, yet you cannot put it on one. I might be missing something but I can’t get the original off. Change the compatibility evike, because it’s not
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..

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