Shop Springfield XDS 3.3 Single Stack 45ACP with Gray Frame (Manufacturer Sample) and buy guns for sale online from our gun store. The XDS 45 Essentials Package from Springfield contains all of the basics you need for your XDS 45ACP Gray – minus the ammo, of course. This slimmed down package includes your pistol, two magazines, two interchangeable backstraps that allow you to custom fit your grip, a cable lock, and a bore brush, all inside of a lockable hard case. The two stainless steel magazines that come with your XD-S 45ACP Gray Essentials Package include one 5-round flush-fitting magazine, along with Springfield’s brand new 6-round Mid-Mag with the X-Tension grip sleeve.