Retro Arms CNC hop unit designed for airsoft AK47 and other AK style replicas. This hop unit is manufactured from one solid block of aircraft Dural EN AW 7075, which has the strength of steel and weight of aluminium. It also has an anodizing of 5µm silver colour.

These generally require a level of technical skill to fit properly so we do advise you have it fitted by a competent technician.

Any questions on compatibility, installation or if you would like one of our in house techs to fit the parts for you, please email us on [email protected] or call us on 01293 525880