Kel-Tec Model Sub 2000, Gen 3, Semi-automatic Rifle, 5.7X28MM, 16.1 Barrel, Threaded 1/2x28, Matte Finish, Tan, 20 Rounds SUB2K57TAN The KelTec SUB2000 chambered in 5.7x28mm offers a flat trajectory and low recoil, making it an ideal choice for accurate and controlled shooting. Its simple and reliable blowback design ensures ease of maintenance and consistent performance. The firearm features a 20-round magazine, a foldable design for compact storage, and a lightweight polymer frame. Integrated M-LOK and Picatinny rails provide full customization options to suit your needs.