Description
- One-piece, full metal hop-up unit
- Echo 1 OEM replacement hop up chamber
- Compatible with most brands of M4 / M16 airsoft guns
- Holds inner barrel and hop-up bucking
Echo 1 One-Piece Metal Hop-Up Chamber for M4 / M16 AEG Airsoft Gun
Features:
- One-piece, full metal hop-up unit
- Echo 1 OEM replacement hop up chamber
- Compatible with most brands of M4 / M16 airsoft guns
- Holds inner barrel and hop-up bucking
Package Includes:
- Echo 1 Hop Up Chamber and parts
- Echo 1 Blue Bucking
