The Kel-Tec Sub2000 9mm is a lightweight, semi-automatic rifle that has a unique foldable design for easy portability and storage. Features include adjustable sights for elevation and windage, a two-position cross bolt safety, and a 16.25-inch barrel. The Sub2000 can accept Glock 17/19 magazines, adding to its versatile functionality. Compact, user-friendly and cost-effective, it's a popular choice for both new and experienced shooters.