CMMG Resolute MK4, Semi-automatic Rifle, 556NATO, 14.5" Pinned (16" OAL), Cerakote Finish, Armor Black, 1 Magazine, 30 Rounds 55A060B-AB 55A060BAB

CMMG RESOLUTE® Mk4 — 5.56 NATO, 14.5" Pinned & Welded (16" OAL), Cerakote® Armor Black, Includes 1x 30-Round Magazine | Model 55A060B-AB / 55A060BAB | UPC 810103479678 Compact Handling. Full-Length Compliance. CMMG Accuracy. The CMMG RESOLUTE® Mk4 is engineered for shooters who want duty-grade reliability and competition-ready accuracy in a streamlined package that meets 16" rifle OAL requirements. Featuring a 14.5-inch barrel that’s pinned & welded to achieve a 16-inch overall length, this carbine keeps maneuverability high without compromising ballistic performance. Finished in Cerakote® Armor Black for exceptional wear and corrosion resistance, the Mk4 ships with a 30-round magazine (where legal) and the proven CMMG build quality that has made RESOLUTE a favorite among discerning shooters. Whether you’re building a defensive carbine, a range workhorse, or a training rifle for classes, the RESOLUTE Mk4 delivers slick controls, dependable cycling, and repeatable precision in a configuration that checks every box. Key Features at a Glance Caliber: 5.56×45 NATO (compatible with .223 Rem; follow manufacturer guidance) Barrel: 14.5" with pinned & welded muzzle device for 16" OAL compliance Capacity: 30 rounds (1 magazine included; capacity subject to local laws) Action: Semi-automatic direct-impingement AR-pattern rifle Receiver/Handguard: AR-15 pattern with free-float handguard (M-LOK®-ready on most RESOLUTE variants) Finish: Cerakote® Armor Black for abrasion, chemical, and corrosion resistance Models: 55A060B-AB / 55A060BAB UPC: 810103479678 Compliance Note: Pinned & welded muzzle device is a permanent attachment intended to meet minimum barrel/OAL length requirements in many jurisdictions. Always verify your local/state laws. Why Shooters Choose the RESOLUTE Mk4 Maneuverability Without Sacrificing Velocity The 14.5" barrel keeps the carbine lively in tight spaces, while the permanent muzzle device brings legal length to 16", protecting muzzle velocity and dwell-time for reliable cycling. Cerakote Armor Black Durability Cerakote® Armor Black delivers a low-glare tactical aesthetic with industry-leading resistance to abrasion, solvents, and environmental exposure—ideal for hard classes and inclement weather. AR-15 Compatibility Mk4 is AR-15 pattern, giving you broad compatibility with optics, stocks, triggers, and accessories. Upgrade as your mission evolves. CMMG Fit & Finish From clean machining to consistent gas timing, CMMG rifles are known for their out-of-the-box reliability, intuitive controls, and excellent accuracy with quality ammunition. Ideal Use Cases Home & Property Defense: Fast handling with dependable cycling and red-dot readiness. Training & Classes: Durable finish and proven components for long course days. General Purpose Carbine: A do-everything 5.56 platform that eats range time and drills. Competition Practice: Legal 16" OAL with compact handling for barricade work and transitions. Ownership Experience & Setup Tips Optics: Pair with a micro red dot or LPVO; confirm mount height for your preferred cheek weld. Sling & Light: Add a 2-point sling and a rail-mounted white light for a true GP setup. Mags & Ammo: Use quality STANAG magazines and reputable 5.56/.223 loads; confirm zero with your duty load. Maintenance: Lube generously during break-in; confirm torque on optics and handguard hardware after first range day. Technical Specifications (55A060B-AB / 55A060BAB) Caliber: 5.56×45 NATO Operating System: Semi-auto, AR-15 DI Barrel Length: 14.5" (pinned & welded to 16" OAL) Overall Length: 16" barrel equivalent (exact OAL depends on stock configuration) Finish: Cerakote® Armor Black Magazine: (1) 30-round magazine included (where legal) Stock/Brace: Adjustable AR-15 carbine stock (variant-dependent) Handguard: Free-float, typically M-LOK® compatible (variant-dependent) Model Numbers: 55A060B-AB / 55A060BAB UPC: 810103479678 Small component details (trigger, muzzle device model, handguard length) may vary by production run. Always review your rifle’s product label for exact configuration. Frequently Asked Questions Q: Is the barrel actually 16 inches? A: The barrel is 14.5", but the pinned & welded muzzle device creates a legal 16" overall barrel length. The permanent attachment cannot be removed without gunsmithing that would damage the device. Q: Can I shoot .223 Remington? A: Yes, 5.56 NATO chambers are designed to safely fire .223 Remington. Always use reputable ammunition and follow the manufacturer’s guidance. Q: What magazine type does it use? A: Standard AR-15 STANAG pattern 5.56 magazines. One 30-round mag is included (where legal). Q: Is the Cerakote durable? A: Cerakote® Armor Black is a high-performance ceramic coating known for excellent abrasion and chemical resistance. SEO-Rich Highlights & Buyer Keywords CMMG RESOLUTE Mk4 5.56 NATO 14.5" pinned & welded (16" OAL) AR-15 rifle Cerakote Armor Black semi-automatic carbine Includes one 30-round magazine (where legal) Model 55A060B-AB / 55A060BAB, UPC 810103479678 Free-float handguard, AR-15 compatible, M-LOK® ready Meta Title (SEO) CMMG RESOLUTE Mk4 5.56 NATO — 14.5" Pinned (16" OAL), Cerakote Armor Black, 30-Round Mag | 55A060B-AB / 55A060BAB Meta Description (SEO) Shop the CMMG RESOLUTE Mk4 in 5.56 NATO with a 14.5" pinned & welded barrel (16" OAL), Cerakote Armor Black finish, free-float handguard, and one 30-round magazine. Model 55A060B-AB / 55A060BAB, UPC 810103479678. 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Confirm torque values and optic mounts, verify function with your chosen ammunition, and practice safe handling and secure storage at all times. The End