Product DescriptionThe FAXON FIREARMS Duty series upper receiver assembly is built for shooters seeking a 5.56 NATO platform with dependable performance and modern configuration details. This model is chambered for .223 Remington/5.56 NATO and features a 16-inch Gunner Profile barrel with a 1:8 twist rate, making it a versatile option for a broad range of ammunition choices. Based on the provided product image, it includes an extended ventilated handguard with a full-length top rail and a muzzle device installed at the barrel end. The Duty configuration is designed to offer a practical balance of handling, accuracy, and compatibility for AR-style rifle builds.Product Highlights Chambered in .223 Remington/5.56 NATO for broad ammunition compatibility and versatile range use. 16-inch Gunner Profile barrel helps balance maneuverability with solid ballistic performance. 1:8 twist rate supports a wide variety of common 5.56 and .223 bullet weights. Duty series upper assembly features a long ventilated handguard and full-length top rail for accessory mounting. Factory-identified by FAXON FIREARMS part number FXURGD55616GA15CSR and UPC 810209950637. Specs Brand Name: FAXON FIREARMS Series: Duty Product Type: Upper receiver assembly Caliber: .223 Remington / 5.56 NATO Barrel Length: 16 in Barrel Description: Gunner Profile Twist Rate: 1:8 Listed Dimensions: 31.5 in L x 7.8 in W x 4.5 in H Listed Weight: 6.295 lb UPC: 810209950637 MPN: FXURGD55616GA15CSR Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.