DoubleStar Complete Upper Receiver .22 Nosler 24 inch Barrel Bull Profile Diamond National Free Float Handguard Black. Specifications for DoubleStar .22 Nosler Upper w/Diamond National Free Float Handguard: Manufacturer: DoubleStar Caliber: .22 Nosler Overall Length: 24 in Barrel Length: 24 in Barrel Profile: Bull Gas System Length: Rifle Length Handguard Type: Free-Float Finish: Anodized Color: Black Fabric/Material: 416 Stainless Steel Included Accessories: Free Float Handguard Magazine Included: No Features of DoubleStar .22 Nosler Upper w/Diamond National Free Float Handguard National Match Free Float Handguard Picatinny Rail Aluminum Gas Block Standard Mil Spec Flattop Upper Receiver. Package Contents: DoubleStar .22 Nosler Upper w/Diamond National Free Float Handguard DoubleStar ARBU108C: Complete Upper Receiver .22 Nosler 24 inch Barrel Bull Profile Diamond National Free Float Handguard Black