The X1A3 is designed for the hunter that wants light and fast mobility. Whether you’re a mountain or a tree-stand hunter, once you’ve discovered the ability to travel with your hands free from carrying your weapon, your hunting experience will be much better. The X1A3 features an improved tapered profile weapon scabbard, full-depth spotting scope pockets, and a newly designed polycarbonate framesheet for more support and better performance with heavy loads. 1500 cubic inches. Hide-Open: Western Slope camo pattern.