--- title: "CMMG Dissent Mk4 5.56 Rifle 16.1\" Black" description: "5.56 NATO/.223 Rem semi-auto rifle with a 16.1\" 1:7 twist barrel, adjustable gas block, folding stock, and two 30rd PMAG magazines." canonical_url: "https://www.kygunco.com/product/cmmg-55a1a0b-ab-dissent-mk4-5.56mm-16.1-armor-black" meta: author: KYGUNCO "og:description": "5.56 NATO/.223 Rem semi-auto rifle with a 16.1\" 1:7 twist barrel, adjustable gas block, folding stock, and two 30rd PMAG magazines." "og:image": "https://cdn.kygunco.com/assets/products/247136/thumbnail.jpg?v=1710776666" "og:image:height": "500" "og:image:width": "500" "og:title": "CMMG Dissent Mk4 5.56 Rifle 16.1\" Black" --- > Index of every page on this site: [llms.txt](https://www.kygunco.com/llms.txt) [Home](https://www.kygunco.com/) / [Shooting](https://www.kygunco.com/category/shooting) / [Guns](https://www.kygunco.com/category/shooting/guns) / [Rifles](https://www.kygunco.com/category/shooting/guns/rifles) / [Semi-Auto](https://www.kygunco.com/category/shooting/guns/rifles/semi-auto) / CMM-55A1A0B-AB ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/247136/main.jpg?v=1710776666) For illustration purposes only, this image may not be an exact representation of the product. # CMMG Dissent Mk4 5.56 NATO / 223 Rem 16.1" 30rd Semi-Auto Rifle | Black The CMMG Dissent Mk4 is a new semi-automatic rifle chambered in 5.56 NATO/.223 Rem. It features a 16.1" 1:7 twist barrel, adjustable gas block, 15" M-LOK handguard with top Picatinny rail, reversible side charging handle, folding stock, and two Magpul 30rd PMAG magazines. $1,924.99 ** 5 interest-free payments of **$385** with ![Sezzle logo](https://www.kygunco.com/brands/sezzle.svg) ** ![Credova logo](https://www.kygunco.com/brands/credova.svg) As low as **$182.03**/month with ![Credova text logo](https://www.kygunco.com/brands/credova-text.svg) ** Online In Store ** Free Shipping Enjoy delivery to the Lower 48 States at no cost. ** Ships To FFL Dealer Handled by our expert shippers in Bardstown, KY. ** Check Local Restrictions Not sure whether this item can be shipped to your area? Enter your ZIP code for a quick check. Almost gone. Order now before it sells out. Item # 247136 Style CMM-55A1A0B-AB UPC 810103479487 Condition New Manufacturer [CMMG](https://www.kygunco.com/brand/cmmg) Model Dissent MK4 Hand Right Hand Finish Black Round Capacity 30 Caliber 5.56 NATO, 223 Rem Action Semi-Auto Barrel Length 16.1 in What do you use 300BLK for? With subsonic and supersonic loadings available for self-defense, hunting, and target shooting, there’s no wrong answer. 300BLK has solidified itself as one of the most user-tailored cartridges out there today. With a 16.1” barrel this DISSENT® feels meant to be in and leaves no performance behind. Available in a variety of custom Cerakote finish options; the rear of every DISSENT rifle features the DISSENT side folding stock with adjustable length of pull and adjustable cheek riser. A forward non-reciprocating charging handle allows for quick and easy manipulation without coming off target and the M-LOK handguard with top picatinny rail provides ample mounting space for whatever accessories you please. Adjustable Gas Block - 300 BLK is an incredibly adaptable cartridge with different loadings for specific uses, like suppressed. With the adjustable gas block on each 300 BLK DISSENT you can fine tune the gas system to best suit the supersonic or subsonic ammo loadings you like best. Lifetime Quality Guarantee - We aim to please, that’s why every CMMG product is backed by our Lifetime Quality Guarantee against material and workmanship defects. Shop with KYGUNCO for the best selection, competitive pricing, and exceptional customer service. Experience the difference that comes with buying from a trusted outdoor retailer with over 20 years of experience in the industry. - PLATFORM MK4 - CALIBER 5.56X45MM - OPERATING SYSTEM COMPACT ACTION-DIRECT IMPINGEMENT - BARREL LENGTH 16.1 - BARREL TWIST 1:7 - BARREL CONTOUR MT - BARREL MATERIAL 4140CM, SBN - BARREL TWIST 1:7 - MUZZLE DEVICE CMMG ZEROED MUZZLE BRAKE - MUZZLE THREAD 1/2 X 28 - GAS PORT LOCATION MID - GAS BLOCK ADJUSTABLE 0.750" - UPPER RECEIVER DISSENT 7075 T6 ALUMINUM - LOWER RECEIVER MK4 FORGED 7075 T6 ALUMINUM - HAND GUARD CMMG 15" PROPRIETARY - FINISH CERAKOTE - CHARGING HANDLE DISSENT SIDE CHARGER - REVERSIBLE - PISTOL GRIP CMMG ZEROED PISTOL GRIP - BUFFER TYPE N/A - RECEIVER EXTENSION DISSENT FOLDING STOCK ADAPTER - STOCK / BRACE DISSENT SIDE FOLDING STOCK - TRIGGER TYPE ZEROED DROP-IN - TRIGGER GUARD CMMG ZEROED TRIGGER GUARD - SAFETY SELECTOR CMMG ZEROED 60/90 DEGREE - MAGAZINE MAGPUL 30RD PMAG (2) - WEIGHT 6.7 LBS - LENGTH 33.3" - 35.5" (25.9" FOLDED) ** WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to [www.p65warnings.ca.gov](https://www.p65warnings.ca.gov). 0.0 ** ** ** ** ** 0 reviews ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ## Don't Forget Your Ammo ```json {"@context":"https://schema.org","@graph":[{"@id":"https://www.kygunco.com/#website","@type":"WebSite","description":"Shop KYGUNCO for firearms, ammo, accessories, parts, and outdoor gear at low prices with fast, easy nationwide shipping.","name":"KYGUNCO","url":"https://www.kygunco.com/","publisher":{"@id":"https://www.kygunco.com/#/schema/organization/kygunco"}},{"@id":"https://www.kygunco.com/product/cmmg-55a1a0b-ab-dissent-mk4-5.56mm-16.1-armor-black#webpage","@type":"WebPage","description":"5.56 NATO/.223 Rem semi-auto rifle with a 16.1\" 1:7 twist barrel, adjustable gas block, folding stock, and two 30rd PMAG magazines.","name":"CMMG Dissent Mk4 5.56 Rifle 16.1\" 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