One Piece Metal Hopup Chamber Set for M4 M16 Series Airsoft AEG

Metal Hopup Chamber Set for M4 M16 Series Airsoft AEG

Features:
- Full Metal Housing for maximum durability.
- Hopup rubber packing included. Fits all M4 hopup rubbers.
- Adjustable hopup dial. (Black or white)
- Fits all metal bodies. (Excludes KWA metal body).

Manufacture: OEM: A&K / CYMA / JG
Compatibility:Matrix, Dboy, Echo1, JG, Classic Army, G&P, G&G, SRC, AGM, Tokyo Marui, VFC and other m4 / M16 series Airsoft AEG. 
Note: This product will work with plastic body AEGs however some modification is required. Professional installation is highly recommended.