{"product_id":"cmmg-ar-15-16-1in-lightweight-salt-bath-nitride-barrel-5-56-nato-1-7-twist-cmm55d470b","title":"CMMG AR-15 16.1in Lightweight Salt Bath Nitride Barrel 5.56 NATO 1:7 Twist CMM55D470B","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe CMMG 16.1\" Lightweight Salt Bath Nitride (SBN) barrel is built for lightweight AR-15 upper builds while maintaining durability and reliability. Featuring a light taper profile and a corrosion-resistant salt bath nitride finish, this barrel includes a properly installed M4 barrel extension and is assembled with correct headspacing. A 1:7 twist rate and 5.56x45 NATO chamber support a wide range of common 5.56 loads, while the mid-length gas port helps balance cycling and recoil impulse.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e16.1\" lightweight, light taper profile ideal for custom lightweight AR-15 builds\u003c\/li\u003e\n  \u003cli\u003eSalt Bath Nitride finish for enhanced wear resistance and corrosion protection\u003c\/li\u003e\n  \u003cli\u003e1:7 twist with a 5.56x45 NATO chamber for versatile 5.56 NATO performance\u003c\/li\u003e\n  \u003cli\u003eMid-length gas port for balanced operation and smoother cycling characteristics\u003c\/li\u003e\n  \u003cli\u003eThreaded 1\/2-28 muzzle with a .625\" gas journal for common AR-15 compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecs\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e CMMG\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e CMM55D470B\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 815835018102\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlatform:\u003c\/strong\u003e AR-15\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCaliber\/Chamber:\u003c\/strong\u003e 5.56x45 NATO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 16.1 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e Light Taper\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 4140CM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Salt Bath Nitride\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwist Rate:\u003c\/strong\u003e 1:7\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMuzzle Threads:\u003c\/strong\u003e 1\/2-28\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas System Length:\u003c\/strong\u003e Mid-length (mid length gas port)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas Journal:\u003c\/strong\u003e 0.625 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExtension:\u003c\/strong\u003e M4 barrel extension (installed)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAssembly Note:\u003c\/strong\u003e Properly headspaced barrel sub-assembly\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":"CMMG","offers":[{"title":"Default Title","offer_id":44076973490298,"sku":"FLX-CMM55D470B","price":158.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1679\/0365\/files\/283696961.jpg?v=1767586925","url":"https:\/\/tlooutdoors.com\/products\/cmmg-ar-15-16-1in-lightweight-salt-bath-nitride-barrel-5-56-nato-1-7-twist-cmm55d470b","provider":"TLO Outdoors","version":"1.0","type":"link"}