Description The CMMG Resolute MK3 8.6 Blackout is a modern, purpose-built AR rifle designed for precision, versatility, and performance in a compact platform. Built on a 7075-T6 aluminum receiver with a black nitride finish, this rifle delivers durability and aesthetic appeal for both tactical and recreational shooters. The 16.1-inch barrel provides an excellent balance between velocity and maneuverability, making it ideal for a wide range of shooting applications. With the included CMMG Zeroed Grip and 15-inch M-LOK handguard, this rifle is ready to shoot right out of the box. Table of Contents Toggle CMMG Resolute MK3 8.6 Blackout — Key SpecificationsPerformance & ReliabilityIntended Use & ApplicationsWhy Buy From CaliperDepot? CMMG Resolute MK3 8.6 Blackout — Key Specifications Caliber: 8.6 Blackout (8.6x43mm) Barrel Length: 16.1 inches Magazine Capacity: 20 rounds Receiver Material: 7075-T6 aluminum alloy Receiver Finish: Black nitride Handguard: 15-inch M-LOK rail system Grip: CMMG Zeroed Grip Action: Semiautomatic Overall Platform: Modern AR rifle design Stock Configuration: Tactical AR stock (standard) Performance & Reliability The CMMG Resolute MK3 8.6 Blackout delivers exceptional performance across a variety of shooting scenarios, from tactical training to hunting applications. The 8.6 Blackout cartridge is known for its impressive stopping power and subsonic capability, making it an excellent choice for suppressed shooting. With proper ammunition selection, this rifle maintains consistent accuracy and reliability at typical engagement distances, with minimal recoil impulse compared to larger magnum cartridges. CMMG has engineered this rifle with precision tolerances and quality components that ensure reliable feeding, chambering, and extraction cycle after cycle. The 7075-T6 aluminum receiver provides superior strength-to-weight ratio and excellent durability for years of dependable service. Whether you’re running factory ammunition or handloads, the CMMG Resolute MK3 8.6 Blackout maintains the reliability shooters expect from a modern platform. The 15-inch M-LOK handguard allows for easy accessory mounting and excellent ergonomics during operation. The black nitride finish on both receiver and barrel components resists corrosion and provides a professional appearance. For more information about the 8.6 Blackout cartridge specifications and performance data, visit the 8.6 Blackout cartridge reference for technical details and comparison data. Intended Use & Applications The CMMG Resolute MK3 8.6 Blackout appeals to a broad range of shooters, including tactical professionals, precision rifle enthusiasts, and hunters who want a compact, effective platform. This rifle is particularly suited for shooters who plan to equip suppressors, as the 8.6 Blackout cartridge was designed with subsonic performance in mind. Home defense, short-to-medium range hunting, and training scenarios are all excellent applications for this versatile rifle. Competitive shooters and tactical course attendees appreciate the compact size and handling characteristics of the CMMG Resolute MK3 8.6 Blackout without sacrificing power or accuracy. Hunters pursuing medium-sized game will benefit from the cartridge’s inherent energy and sectional density, particularly when using appropriate ammunition loads. The rifle’s ergonomics and modularity make it an excellent platform for custom builds and upgrades as shooter needs evolve. Recreational shooters who value accuracy, reliability, and modern features will find the CMMG Resolute MK3 8.6 Blackout to be an outstanding value. The included components—from the CMMG Zeroed Grip to the M-LOK handguard—represent thoughtful engineering that reduces the need for immediate accessory purchases. Whether you’re shooting at the range or in the field, this rifle delivers the performance and features that modern shooters demand from their firearms. Why Buy From CaliperDepot? CaliperDepot is committed to providing competitive pricing and an extensive selection of firearms, ammunition, and shooting accessories. We maintain consistent in-stock inventory of popular rifles like the CMMG Resolute MK3 8.6 Blackout, ensuring you can find what you need when you need it. Our customer service team is knowledgeable and ready to answer any questions about specifications, compatibility, or shooting applications. We offer fast, reliable shipping on all firearms with proper FFL compliance procedures to ensure a smooth transaction. Our AR Rifles section features dozens of quality options from trusted manufacturers, giving you confidence in your purchase. Shop with us for competitive pricing, excellent customer support, and the convenience of ordering from home. The CMMG Resolute MK3 8.6 Blackout represents an excellent investment in a modern, reliable, and versatile rifle platform. Don’t miss the opportunity to own this fully equipped rifle at competitive pricing from CaliperDepot. Order your CMMG Resolute MK3 8.6 Blackout today and experience the quality, performance, and reliability that serious shooters trust. Contact our team if you have any questions about this rifle or need assistance with your order.