Precision Reflex Carbon Fiber Forearm No Rail Gen 3 DPMS .308 15.75 in Natural. The latest PRi Gen III free float forearm is constructed of light weight high strength carbon fiber aluminum and high strength steel for the best possible combination of weight and strength. The carbon fiber also reduces the amount of heat transferred to the shooters hand during rapid or high volume firing. The ID of the tube to clear the collar is 1.9in O.D is 2.150in. Specifications for Precision Reflex DPMS Carbon Fiber Forearm w/o Rail: Manufacturer: Precision Reflex Color: Natural Finish: Natural Carbon Fiber Fabric/Material: Carbon Fiber Gun Make: DPMS Gun Model: DPMS LR-308 Gun Type: Rifle Gun Rail: Standard Quantity: 1 Features of Precision Reflex GenIII DPMS .308 Carbon Fiber Forearm w/No Rail: Gen III DPMS 308 14" Target Free float Forearm with Holes but no Rails Length is 14.75" from forearm collar to the end of the tube The latest PRi Gen III free float forearm is constructed of light weight high strength carbon fiber aluminum and high strength steel for the best possible combination of weight and strength The carbon fiber also reduces the amount of heat transferred to the shooters hand during rapid or high volume firing The ID of the tube to clear the collar is 1.9" O.D is 2.150" Weights .840 lbs or 13.4 ounces Finish is natural carbon fiber. Package Contents: Precision Reflex DPMS Carbon Fiber Forearm w/o Rail Precision Reflex 03-072-1415TH: Carbon Fiber Forearm No Rail Gen 3 DPMS .308 15.75 in Natural