With its ergonomic, reliable, and intuitive design, the Springfield Armory XD 4" Service is billed as the premier polymer pistol. The most basic XD available, this semi-automatic 9mm features a dual spring recoil system with full length guide rod, dovetail front and rear three dot sights, forged steel barrel and slide in Melonite finish, and 16+1 capacity. Its Ultra Safety Assurance Action Trigger System, firing pin block safety, and striker status and loaded chamber indicators provide additional security. The XD 4” Service sports a full-sized frame for superior handling."/\