SPRM mounts allow the incorporation of the ACCESSORY INTERFACE SUITE (AIS) of products, which brings ambidextrous modularity and universal accessory support to the precision optics mount marketplace. The unique patented design splits the rings on two parallel but offset planes allowing accessories to be mounted on 5 AIS mounting surfaces. This system affords left and right sides, left and right 45-degree surfaces, as well as the top surface to be used for accessory interfaces. The SPRM mounts bring unsurpassed flexibility and utility to the discriminating user. Left-handed or right-handed shooters are equally supported with the SPRM mounts and accessories.