Radian Weapons R0024 Complete Upper 223 Wylde 14.50" Black Barrel, 7075-T6 Aluminum Radian Black Receiver, Extended With Magpul M-LOK Handguard For AR-15 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. Type: Complete Caliber: 223 Wylde Sights: Optic Ready Barrel Length: 14.50" Barrel Material: 416R Stainless Steel Barrel Description: Steel Threaded Barrel Finish: Black Receiver Description: Aluminum Receiver Finish: Radian Black Handguards: Extended With Magpul M-LOK Handguard Finish: Radian Black Barrel Length Range: 14" To 14.99"