Caliber: 5.56 NATO/223 Rem; 300 BLK. 16″ chrome-moly barrels, direct-impingement operation. Several lines with varying components: Spec 15, Fusion, Spec 15 Kinetx Pistol, Tyrant, SSP, We The People, Patriot, Carnivore, Fallout 15, Cardiac, and Scout. Kinetx Piston rifle offered in 2026. Also includes Anchor Rail System (ARS) that combines M-LOK handguard with partial Picatinny rail. Comes in Tungsten/Black or Foliage Green/Magpul FDE colors. Length: 33”-36.5″. Weight: 7 lbs., 6.1 oz. Add 30% for the Kinetx Piston variant.