Model Number: 5817 Caliber: 5.56 NATO StockBlack Synthetic Front SightBlade Rear SightAdjustable Barrel Length18.50" MaterialStainless Steel Twist1:9" RH Capacity20 FinishMatte Stainless Weight6.7 lb. Overall Length37.50" Length of Pull13" Grooves6 UPC7-36676-05817-4 Suggested Retail$1449.00