The Premium version of the Staccato HD P4.5 is built for the shooter who wants the ultimate in performance and preparedness. It features the same extended 4.5" sight-block barrel and frame as the Base and Preferred models, optimizing control and sight tracking. The monolithic stainless sight-block eliminates threads, ensuring compliance across more states. The proven HD HOST optics mounting system provides flexibility for a wide range of popular optics. The Premium model ships with 4 MecGar 18-round magazines, offering maximum firepower and convenience straight from the box. Staccato Premium HD P4.5 9mm DLC Barrel Trijicon Night Sight DLC/DLC Finish 4x Mags w/X-Series Serrations (Magwell) 20-2300-000106-01