Unique-ARs Slim Hex Complete Upper Receiver

Your favorite Ultra-Light Hex design on a complete upper. When this item is backordered, please allow 3-4 weeks for production. Specifications for Unique-ARs Slim Hex Complete Upper Receiver: Manufacturer: Unique-ARs Cartridge: 5.56x45mm NATO Overall Length: 24 in Barrel Length: 16 in Barrel Profile: M4 Gas System Length: Mid Length Barrel Twist Rate: 1-8 Threads per Inch: 1/2×28 Handguard Type: Free-Float Muzzle Device: Rook Muzzle Brake Finish: Anodized Color: Cerakote Armor Black Fabric/Material: 4140 Steel Gas Block Journal Size-Diameter: .750 in Handguard Length: 15 in Handguard Style: Hybrid Rail Gun Make: AR Platform Gun Model: AR-15 Weight: 4.7 lb Additional Features: Slim Ultra-Light Hex Rail Condition: New Gas Block Journal Size-Length: .75 in Magazine Included: No Features of Unique-ARs Slim Hex Complete Upper Receiver: Billet FlatTop Upper Receiver with M4 Feed Ramps and Forward Assist Barrel (Chambered in 5.56 NATO, 1:8 Twist with 1 MOA Precision Guarantee) 4140 AE steel M4 barrel extension 1/2 x 28 threaded barrel MidLength Gas System with Low Profile Gas Block UniqueARs Rook Muzzle Brake Package Contents: Unique-ARs Slim Hex Complete Upper Receiver