Hop-Up Unit & Accessories

This replacement part is displayed as part number 356S on T6/T10 diagram. Features High quality reinforced polymer construction Rotary style adju...

This polymer hop-up assembly fits all TK.45/TK.45c series. Features High quality reinforced polymer construction Rotary style adjustment knob Fac...

The KM4 AEG hop-up assembly fits all KM4 Series rifles, including the new SR Series. It comes with everything pictured. Please note that this does...

This polymer hop-up housing fits all AKR Series AEGs, both the 2.5 and 3.0 models. It includes parts 9, 116, 125, 10, 11, 12, and 317. Part 199-16...

This replacement part is displayed as part number 352S on RM4/VM4 AEG 2.5/3/PTS ERG Mechbox diagram. Part 199-1601-0352S Features High quality re...

The KWA E-19 bucking fits multiple KWA models, and appears on respective diagrams as LM4 part 98, HK45 part 330, Vector part 62, and kz.61 Skorpion...

The KWA E-10 bucking fits most KWA pistols and some SMGs.  Occasional replacement will help restore accuracy and prevent jamming. Ball bearing, w...