Caliber: 223/5.56 NATO. Polymer lower, with buttstock, buffer, tube, and pistol grip molded in. JP Silent Capture Spring, SLT-1 trigger, fixed stock. Mid-length gas system. KE-15 forged upper receiver w/M4 feed ramps, Unrivaled Performance Duty Bolt Carrier, 16.69” barrel, Siege Brake. Superlative Arms adjustable gas block, Breek Sledgehammer charging handle, Magpul dustcover. Jag Composites 13.5” carbon-fiber handguards. Black, FDE Cerakote colors. Built to order. Length: 38”. Weight: 5.65 lbs. Made by Kinetic Energy Arms, Phoenix, AZ. Values are for the standard Run-N-Gunner model; add 60% for the Run-N-Gunner Pro variant.