Made exclusively in the UK by Sportsmatch. These double-screw mounts are available in low, medium and high hights for 1″ or 30 mm rifle scopes. They have a measured variance of .001 (1 micron) while the screws are Teflon coated (NITROTECH) rather than blackened and are more corrosion resistant. Side screws are a tidy mushroom design with a thrust washer.
Fits 9.5 – 11.5mm (3/8″) dovetails, commonly used on rimfire and airguns. BluePrint mounts double screw fixings avoid the scope movement (creep).