Shop Springfield XDS 3.3 Single Stack 45ACP Black Holiday Package and buy guns for sale online from our gun store. The XDS 45 Holiday Package from Springfield contains all of the basics you need for your XDS 45ACP Black – minus the ammo, of course. The Holiday Package includes your pistol, three magazines, two interchangeable backstraps that allow you to custom fit your grip, a notebook gun case, a cable lock, and a bore brush. The three stainless steel magazines that come with your XD-S 45ACP Black Holiday Package include one 5-round flush-fitting magazine, along with two of Springfield’s 6-round Mid-Mag with the X-Tension grip sleeve.