Have not used yet
It's what it is
Does just what it’s supposed to do.
Good quality
Perfect size. And great price
I'm satisfied. G&PM16a1 needs processing.
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Description:
This Army Force CNC Aluminum Improved Hop Up Chamber is designed specifically for M4 AEG series, featuring a CNC aluminum construction for improved durability and sturdiness. It also features an enlarged Hop-up adjust dial for easy and smooth adjustment, and a BB Latching System to prevent BB dropping after removing the magazine. The Latching Arm can also be manually pressed to release any remaining BB from inside the hopup chamber.
Specification:
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