Radical Firearms CFU16300HBAR AR-15 FCR Upper 300 AAC Blackout/Whisper (7.62x35m

Type: Upper Receiver Caliber: 300 BO Sights: None, Optic Ready Barrel Length: 16″ Barrel Material: 4140 Chrome Moly Steel Twist: 1:8″ Barrel Description: Medium Contour Barrel Finish: Black Nitride Receiver Description: Aluminum Receiver Finish: Black Hard Coat Anodized Handguards: 15″ Free Float Handguard Finish: Black Hard Coat Anodized Barrel Length Range: 16.00″ to 16.99″