Rizer R1 Hop Up:
- The hop up is the first "mandatory" upgrade. Kind of non-negotiable;
- Version 2. Probably the best hop up currently available;
- Provides backspin to the gel ball so it travels further and more accurate;
- Dual adjustable: top and bottom;
- Metal alloy external.
- Nylon internal;
- Suitable for 7.5 mm barrels (outer dimension);
- Hop up dimensions: Length: 45 mm; Outer Diameter: 15.8 mm.
Does not ship to Western Australia.