- Perfect Upgrade
- Alloy Hop-Up Unit
- No Loose Movement
A replacement Hop-Up Unit for Airsoft M4 / AR-15 / M16 Rifles, designed and constructed to high standards by Action Sports Games in Denmark as part of their Ultimate Upgrade Parts Range.
ASG Ultimate M4/M16 Hop Up Unit for sale from Leicestershire Airsoft
Leicestershire Airsoft is a Leicester based company
Leicestershire Airsoft offers UK delivery