Caliber: 9mm. Capacity: 18-round magazine. Barrel: 4”, 4.5” or 5”. Grip: Textured polymer, modular backstrap. Sights: 3-dot, optics-ready. Length: 8” overall. Weight: 25.4 oz. unloaded. Finish: Black. Features: Accessory rail. Compact model has a 15-round magazine, 4” barrel. SF models have steel frame. Pro SD models have threaded barrel and flat trigger. ACRO models have factory mounted Aimpoint optics. PMM models have compensated barrels. Values are for the standard Full-Size and Compact models; add 33% for the Pro-E Compact and Pro-E Full models; add 50% for the Pro SD Full Size and Pro SD Compact variants; add 66% for the Pro-X PMM Compact and Pro-X PMM Full Size; add 133% for the Professional ACRO Compact; add 167% for the SF Compact, SF Full Size, and Professional ACRO Full Size variants.