RETRO ARMS - CNC Machined Aluminum Rotary Hop-Up Unit M4 M16 Airsoft AEG
$39.99
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Features: CNC machined construction Rotary design allows for easy adjustment Constructed from EN AW 7075 for extended lifespan All necessary hardware included Bucking not included Manufacturer: Retro Arms Compatibility: Most M4 series Airsoft AEGs Material: Aluminum Alloy
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