{"product_id":"cmmg-22-long-rifle-barrel-bolt-group-kit-16-1in-threaded-1-2-28-nitride-22d7c6c","title":"CMMG .22 Long Rifle Barrel \u0026 Bolt Group Kit, 16.1in Threaded 1\/2-28, Nitride 22D7C6C","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe CMMG Replacement Barrel Kit with Bolt Carrier Group is a complete solution for converting your existing upper into a dedicated \u003cstrong\u003e.22 Long Rifle\u003c\/strong\u003e setup. Built around a \u003cstrong\u003e16.1-inch\u003c\/strong\u003e M4-profile barrel made from chrome-moly steel with a durable \u003cstrong\u003eblack nitride (salt bath nitride)\u003c\/strong\u003e finish, this kit is designed to deliver reliable rimfire performance in AR-15\/Mk4 platforms. Add a compatible magazine and you’re ready to run; for best results, CMMG recommends a round-style hammer (notched hammers may cause function issues) and notes that 36-grain plated nose bullets have proven to be a strong choice for reliable cycling.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Highlights\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eAll-in-one barrel and bolt group kit to convert an existing upper to dedicated .22 Long Rifle\u003c\/li\u003e\n  \u003cli\u003e16.1-inch M4-profile 4140 chrome-moly barrel with black nitride (salt bath nitride) finish inside and out\u003c\/li\u003e\n  \u003cli\u003e1:16 twist rate and .22 Long Rifle sporting chamber for consistent rimfire performance\u003c\/li\u003e\n  \u003cli\u003eThreaded muzzle (1\/2x28) for compatibility with many common .22-caliber muzzle devices\u003c\/li\u003e\n  \u003cli\u003eDesigned to fit AR-15\/Mk4 platforms; magazine sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eBrand: CMMG\u003c\/li\u003e\n  \u003cli\u003eManufacturer Part Number: 22D7C6C\u003c\/li\u003e\n  \u003cli\u003eUPC: 815835013985\u003c\/li\u003e\n  \u003cli\u003eCaliber: .22 Long Rifle\u003c\/li\u003e\n  \u003cli\u003eBarrel Length: 16.1 in (16.10 in)\u003c\/li\u003e\n  \u003cli\u003eProfile: M4\u003c\/li\u003e\n  \u003cli\u003eBarrel Material: 4140 chrome-moly steel\u003c\/li\u003e\n  \u003cli\u003eFinish: Black Nitride \/ Salt Bath Nitride\u003c\/li\u003e\n  \u003cli\u003eTwist Rate: 1:16\u003c\/li\u003e\n  \u003cli\u003eChamber: .22LR Sporting Chamber\u003c\/li\u003e\n  \u003cli\u003eMuzzle Threads: 1\/2x28\u003c\/li\u003e\n  \u003cli\u003eGas Block Journal Diameter: 0.750 in (carbine-length journal)\u003c\/li\u003e\n  \u003cli\u003eIncluded Components: Barrel and Bolt Carrier Group (BCG)\u003c\/li\u003e\n  \u003cli\u003eFitment: AR-15 \/ Mk4\u003c\/li\u003e\n  \u003cli\u003eWeight: 2.0 lb\u003c\/li\u003e\n\u003c\/ul\u003e\n\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":44077184057466,"sku":"FLX-158960","price":341.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1679\/0365\/files\/283694922.png?v=1767643989","url":"https:\/\/tlooutdoors.com\/products\/cmmg-22-long-rifle-barrel-bolt-group-kit-16-1in-threaded-1-2-28-nitride-22d7c6c","provider":"TLO Outdoors","version":"1.0","type":"link"}