M4 CNC hop-up chamber

Made of high quality aluminum hop-up chamber, which is ideal for installation in replicas of M4 series.
Material used for the production is lightweight and durable. CNC machining allows for precise fit with a hop-up rubber providing very high integrity of the entire system.

The surface of chamber has been anodized.

CAUTION! If you decide to personal installation gearbox parts as gears, pistons, springs, etc., you must remember that your warranty will be canceled. If you want to keep you warranty parts must be installed by our service.