{"product_id":"cmmg-dissent-mk4-22-arc-16-1-1-7-twist-complete-upper-tungsten","title":"CMMG Dissent Mk4 .22 ARC 16.1\" 1:7 Twist Complete Upper - Tungsten","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eCMMG Dissent Mk4\u003c\/span\u003e\u003c\/strong\u003e complete upper group chambers the modern \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e.22 ARC\u003c\/span\u003e\u003c\/strong\u003e cartridge in a 16.1\" barrel configuration designed for CMMG's compact Dissent platform. This upper assembly features a \u003cstrong\u003e1:7 twist rate\u003c\/strong\u003e optimized to stabilize a wide range of .22 caliber bullet weights for the high-velocity .22 ARC (AR-15 Cartridge) loading.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe upper receiver is machined from \u003cstrong\u003e7075-T6 aluminum\u003c\/strong\u003e and is paired with CMMG's \u003cstrong\u003e15\" proprietary handguard\u003c\/strong\u003e machined from \u003cstrong\u003e6061-T6 aluminum\u003c\/strong\u003e. Both components are finished in \u003cstrong\u003eTungsten Cerakote\u003c\/strong\u003e for corrosion and wear resistance. An \u003cstrong\u003eadjustable .750\" gas block\u003c\/strong\u003e sits beneath the handguard, allowing fine-tuning of the direct impingement operating system to match ammunition and environmental conditions.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThis complete upper ships as a fully assembled group including the 16.1\" .22 ARC barrel, DISSENT-pattern upper receiver, handguard, and adjustable gas block - everything needed to drop onto a Dissent Mk4 lower receiver and build out a compact rifle or pistol configuration in .22 ARC.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eProudly manufactured by \u003cstrong\u003eCMMG\u003c\/strong\u003e in the \u003cstrong\u003eUSA\u003c\/strong\u003e, the Dissent Mk4 .22 ARC upper brings the .22 ARC chambering to a compact, side-folding platform that uses standard AR-pattern magazines while delivering impressive .22 caliber ballistics from the modernized 6.8 SPC case.\u003c\/span\u003e\u003c\/p\u003e","brand":"CMMG","offers":[{"title":"Default Title","offer_id":55012514300226,"sku":"164479","price":1198.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_1782c2f0-6380-40ad-9cb4-6463ee35bc91.png?v=1784654806","url":"https:\/\/centerfiresystems.com\/products\/cmmg-dissent-mk4-22-arc-16-1-1-7-twist-complete-upper-tungsten","provider":"Centerfire Systems","version":"1.0","type":"link"}