The ultimate fusion of capability and concealment, the FUSE by SIG SAUER. Built from the roots of the P365, a true crossover carry features optic ready slide; Fiber Optic front, black serrated rear sight; nickel-plated flat-faced trigger, LXG laser engraved grip module w/removeable magwell and a thin grip module. The ROMEO-RS red dot features molded glass aspheric lens- allowing a distortion free sight picture; 8 brightness levels and 20,000 hours of runtime. Includes ROMEO-RS red dot; interchangeable backstraps- small, medium and large; two 21rd and one 17rd magazines.