The Radian Weapons R0452 Complete Upper is a .223 Wylde upper that features a 10.5-inch barrel finished in black and constructed from billet machined 7075-T6 aluminum. The upper includes a proprietary Extended aluminum hand guard with a Magpul M-LOK mounting system and an integrated upper/hand guard stainless steel anti-rotation pin.Key FeaturesBarrel Length: Fitted with a 10.5-inch match grade 416R stainless steel barrel.Sights: Optic ready for easy attachment of your preferred optics.Action: Utilizes a direct impingement gas system for reliable operation.Included Components: Comes with an enhanced black nitride M16 BCG and a lightweight forward assist.Charging Handle: Equipped with a Radian Raptor-SD suppressor-optimized ambidextrous charging handle.