Hop-up chamber for M4, M15, M16 - metal II - Cyma

Metal Hop-up chamber for M4 and M16 replicas. The chamber is from the famous Cyma brand. The hop-up setting is controlled by a rotary system that allows for precise adjustment of the pressure on the hop-up rubber band. This system is also used, for example, in maxx model and prowin chambers. The set comes with a basic hop-up rubber band and pressure roller. This hop-up chamber and rubber band set allows for a basic, cheaper but reliable modification of your airsoft weapon.