Springfield Armory XD-S 4.0 Essential 9mm Blue/Black Pistol Specifications Action Semi-Automatic Ambidextrous Safety No Barrel Length 4 inches Caliber 9mm Capacity 7+1 Finish Blue/Black Grip Black Polymer Grip Safety Yes Magazines Included 2 Manual Safety Yes Optic Ready No Overall Length 7 inches Sights Standard Sights Threaded Barrel No Trigger Safety Yes Weight 25 ounces factory box The Springfield Armory XD-S 4.0 Essential is a slim, single-stack 9mm pistol designed to balance concealed-carry convenience with practical shootability. Its 4-inch barrel and extended grip provide improved handling compared with shorter subcompact models, while the flush-fit magazine maintains a compact profile for carry. The polymer frame, striker-fired action, grip safety, trigger safety, and manual thumb safety provide a familiar combination of lightweight construction and layered safety features. A supplied X-Tension magazine adds capacity and support for range use. Key Features Slim single-stack design supports comfortable concealed carry. 4-inch barrel improves sight radius and handling. 7+1 flush-fit capacity suits a compact carry setup. Included X-Tension magazine provides 9+1 capacity for added shootability. Striker-fired action delivers a consistent trigger pull. 3-dot sights provide a clear, familiar sight picture. The XD-S 4.0 Essential offers a practical balance of concealability, capacity, and control for everyday carry and range use.