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.

Upgrade your ActionSportGames CZ P-10C with the Ultimate TDC Hop-Up Unit, a precision hop that puts control back in your hands. Add the Ultimate T...

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 ...