{"product_id":"fn-ar-15-16in-5-56x45mm-nato-button-rifled-chrome-lined-barrel-carbine-gas-system-20100046","title":"FN AR-15 16in 5.56x45mm NATO Button-Rifled Chrome-Lined Barrel, Carbine Gas System 20100046","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eUpgrade or complete your AR-15 build with this FN 16-inch 5.56x45mm NATO barrel, built from U.S.-sourced Chrome Moly Vanadium steel to Mil-B-11595E. Each barrel is High Pressure Tested (HPT) and Magnetic Particle Inspected (MPI) to help ensure consistent quality. A chrome-lined bore and chamber improve corrosion resistance, ease of extraction, and long-term barrel life, while M4-style feed ramps and barrel extension promote smooth, reliable feeding. Finished in a matte black manganese phosphate coating for external corrosion resistance, this M4-profile barrel is designed for dependable performance with a carbine-length gas system.\u003c\/p\u003e\n\u003ch2\u003eProduct Highlights\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e16\" M4-profile AR-15 barrel chambered in 5.56x45mm NATO for versatile builds\u003c\/li\u003e\n  \u003cli\u003eChrome-lined bore and chamber for corrosion resistance, durability, and reliable extraction\u003c\/li\u003e\n  \u003cli\u003eHPT and MPI tested to help ensure quality and consistency\u003c\/li\u003e\n  \u003cli\u003eM4 feed ramps and barrel extension support smooth, consistent feeding\u003c\/li\u003e\n  \u003cli\u003eMatte black manganese phosphate finish helps resist external corrosion and oxidation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e FN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 20100046\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 845737008420\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlatform:\u003c\/strong\u003e AR-15\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 5.56x45mm NATO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 16\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e M4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRifling:\u003c\/strong\u003e Button rifled\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas System Length:\u003c\/strong\u003e Carbine\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Chrome Moly Vanadium steel (Mil-B-11595E)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore\/Chamber:\u003c\/strong\u003e Chrome lined\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTesting:\u003c\/strong\u003e High Pressure Tested (HPT) and Magnetic Particle Inspected (MPI)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFeed Ramps:\u003c\/strong\u003e M4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Matte black manganese phosphate\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas Journal Diameter:\u003c\/strong\u003e .750\" (gas seat)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMuzzle Threads:\u003c\/strong\u003e 1\/2x28\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eDisclaimer: 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.\u003c\/em\u003e\u003c\/p\u003e","brand":"FN","offers":[{"title":"Default Title","offer_id":44077124386938,"sku":"FLX-154337","price":268.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1679\/0365\/files\/283694864.png?v=1767638054","url":"https:\/\/tlooutdoors.com\/products\/fn-ar-15-16in-5-56x45mm-nato-button-rifled-chrome-lined-barrel-carbine-gas-system-20100046","provider":"TLO Outdoors","version":"1.0","type":"link"}