Product DescriptionThe Faxon Firearms Duty Series 16" Pencil Profile barrel is built for lightweight AR-15 setups that still demand consistent accuracy and durability. Manufactured in-house from 4150 CMV steel, this 5.56 NATO barrel is stress relieved and air-gauge tested, then finished in nitride inside and out for enhanced wear resistance and easier cleaning. A mid-length gas system helps deliver smooth cycling, while the 11-degree target crown and precision headspace verification support dependable on-target performance. The Pencil profile minimizes forward weight to keep your rifle quick-handling and balanced for training, patrol, and all-day range use.Product HighlightsLightweight 16" Pencil profile AR-15 barrel for fast handling and improved balance4150 CMV steel construction with button rifling and 1:8 twist for broad 5.56 NATO load compatibilityMid-length gas system designed for smoother cycling and reduced recoil impulseNitride finish inside and out for corrosion resistance, long wear life, and easier maintenance1/2x28 muzzle threads and an 11-degree target crown for common muzzle device compatibility and accuracy focusSpecsBrand: Faxon FirearmsManufacturer Part Number: 15A58M16NPQUPC: 816341020146Caliber: 5.56 NATOBarrel Length: 16" Barrel Profile: PencilMaterial: 4150 CMV steelRifling: Button rifledTwist Rate: 1:8Gas System Length: Mid-lengthInside Finish: NitrideOutside Finish: NitrideMuzzle Thread: 1/2x28Crown: 11-degree target crownGas Block Diameter: 0.625" Gas Block Journal Length: 1.1" Barrel Extension: M4Weight: 1.20 lb (approx.)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.