This model is equipped with a 6 position collapsible stock and over-molded grip set. The modularity of the Magpul MLOK attachment system used on the forend is designed to utilize components such as lasers, flashlights, vertical 4 grips, handstops and BUIS systems. What makes this gun different is the modularity introduced through our cutting edge design, manufactured with Aerospace quality materials while maintaining the Mil-Spec tradition. With the perfect blend of innovative functional design and old school adaptability, the Defender is capable of delivering exceptional performance from a compact, fast-handling firearm.