PARALLAX SCOPE SIDEWHEELS 130MM TO FIT BIG NIKKO, SIGHTRON S1 WITH 42MM KNOB NEW
Parallax range Finding Sidewheels made to fit parallax knobs with a 42mm diameter such as the Nikko Sterling Diamond (Big Nikko) or the Sightron S3.
Please note that if you need another size we can either supply an adaptor ring of this model or design another to suite.
We also sell Seal kits...
Worn Seal can and will affect accuracy and reliability in your Air rifle, it's always best to change them on a regular basis for top performance.