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

Features

• Full Metal Housing for maximum durability
• Hopup rubber packing included
• Fits all M4 hopup rubbers
• Adjustable hopup dial
• Fits all metal bodies. (Excludes KWA metal body)

Designed to replace a stock plastic or damaged hop up unit in your M4 variant AEG.

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.