PROWIN M4/M16 AIRSOFT V2 HOP UPDescription:
A Precision buit CNC Aluminum Hop Up Unit from ProWin. These hop ups perform extremely well, chances are, if you have heard of them you probably already know they are one of the best hop ups in the business. Fits Standard M4 and M16 series AEGs.
Warning: We at AirRattle.com recommend all upgrade / repair parts are installed by a professional as additional upgrades and/or custom fitting may be required. It is the responsibility of the customer to ensure the part is compatible with their gun prior to purchase. We are not responsible for any damage caused during or after installation and are installed at customerís discretion.