FN America FN 545 Tactical, Semi-automatic, Striker Fired, Full Size, 45 ACP, 4.71″ Barrel, Polymer Frame, Flat Dark Earth, 1 -18 Rd Magazines and 1-15Rd Magazine, Non-Manual Safety, Suppressor Height Night Sights, Low Profile Optics Mounting System, Barrel Threaded .578×28, Sight Protecting Slide Cap, Loaded Chamber Indicator, Interchangeable Backstraps, 1913 Accessory Ra il, Ambi Slide Stop Lever, Ambi Mag Release, Includes (4) MRD Mounting Plates, (2) Frame Backstraps and Premium Zippered Case 66-101384