Socom Tactical Airsoft
Rocket Cast M4 Hop Unit
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£15.00 GBP
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£15.00 GBP
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Rocket Cast M4 Hop Unit
A standard classic design metal M4 hop unit that fits onto most M4 AEGs on the market. This is a basic replacement cast from Zinc alloy and comes with everything you need for installation including the retention spring, brass ring, hop rubber, hop nub and C-clip.