The next generation of the Tisas PX-9. New upgrades to this striker-fired pistol include a flat-faced trigger with integrated trigger safety, slide cut for RMR-pattern optics, Glock-style sights, and Sig 226-syle magazines.Features :"4.69" Threaded Barrel with Thread Protector,Sig 226-syle, 1 x 18RD & 1 x 20RD MagazinesFiber Optic Front Sight (Glock-style) and Drift Adjustable Rear Sight (Glock-style)RMR Cut with cover plateFlat Faced Trigger with Trigger SafetyExtended Mag WellReversible Mag CatchChangeable Side Panels & Backstraps (S-M-L)Includes: Lockable Case, IWB Holster, Mag Loader, Cleaning Kit