Hop-Up Units

A full metal hop-up unit from Ultimate. Features an innovative o-ring that improves the seal between the front of the gearbox and the hop-up unit....

A replacement c-clip for most brands of hop-up unit. Made by Ultimate (Lonex). Blue in colour.

Original ASG parts. Pistol grip and baseplate set for the ASG EVO, suitable for all EVO variants. Part #BO5, #BO6, #BO7. Only grip is pictured, b...

A full metal hop-up unit from Ultimate.The adjustment mechanism must be assembled by the user and offers a nice tight adjustment once fully assembl...

A full metal hop-up unit from Ultimate. The adjustment mechanism must be assembled by the user and offers a nice tight adjustment once fully assem...

A replacement hop up chamber for all ASG Scorpion Evo models. Original part. Useful as a replacement if yours is damaged, worn etc.  Part #HU1.

Need an EVO part that we don't stock? Send us an email and we will let you know the price.  We place an order once a month directly with ASG and ...