This AEG hopup by BullGear is designed for use with most airsoft M4A1 / AR 15 standard version 2 gearboxes.
Its CNC aluminum construction ensures reliability and durability making it a must have upgrade accessory.
Bullgear M4 AEG Hop Up (CNC Aluminum)
- Product Code: 8839
- Availability: 4
-
$100.00
This AEG hopup by BullGear is designed for use with most airsoft M4A1 / AR 15 standard version 2 gearboxes.
Its CNC aluminum construction ensures reliability and durability making it a must have upgrade accessory.
Tags: Bullgear, CNC, Hop-Up Units, Hop Units, M4, Upgrades, Internals