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E&C CNC Rotary Hop Unit Chamber for M4
Rotary Hop Unit Upgrade for M4 & M16 style airsoft AEGs
E&C CNC Rotary Hop Unit Chamber for M4
The CNC aluminium hop-up chamber in the ProWin style by E&C. The chamber is precision made from one piece of aluminium on CNC machines. Finished in hard wearing blue anodising.
E&C CNC Rotary Hop Unit Chamber for M4
Rotary Hop Unit Upgrade for M4 & M16 style airsoft AEGs
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