The complete upper is constructed of billet machined 7075-t6 aluminum with proprietary extended aluminum hand guard w/ magpul m-lok mounting system and integrated upper/hand guard stainless steel anti-rotation pin.Its match grade 416r stainless steel barrel has polished crown/feed ramps, and is threaded.The upper also utilizes enhanced black nitride m16 bcg, lightweight forward assist, radian raptor-sd suppressor-optimized ambidextrous charging handle, and a direct impingement gas system.Receiver Finish: Flat Dark Earth CerakoteType: CompleteCaliber: 223 WyldeSights: Optic ReadyBarrel Length: 10.50"Barrel Material: 416R Stainless SteelTwist: 1:8"Barrel Description: Steel ThreadedBarrel Finish: BlackHandguards: Extended with Magpul M-LOKHandguard Finish: Flat Dark Earth CerakoteBarrel Length Range: 10" to 10.99"