Brand: Christensen Arms Model: CA556 Caliber/Gauge: 5.56 NATO Finish: Burnt Bronze Cerakote Stock: MFT collapsible Barrel: 18 inch carbon wrapped barrel Additional: Christensen Arms' CA556 in a burnt bronze cerakote. The stock is aluminum with carbon fiber cutouts. The carbon wrapped barrel is in perfect condition, very low round count, no delamination, and sharp, clear riflings and bore.