Rise Armament

Highly accurate 300 Blackout 16-inch Chrome-Moly barrel - Key Features - Chrome-Moly - Sub MOA - M4 barrel extension - 5/8 x 24 thread pitch - 1:7 twist rate rifling - 300 Blackout chambered - .750 at the gas block - Pistol-length gas system - 16 inches - 1 lb. 14 oz.