The Colt Monolithic Carbine 5.56mm 11.5" SBR Matte Black 30rd 098289020451 is a premium short-barreled rifle that combines Colt’s advanced monolithic upper receiver technology with the compact handling of an 11.5-inch barrel. This factory-configured SBR delivers exceptional rigidity, accuracy, and reliability in a maneuverable package. Finished in a durable matte black, the Colt Monolithic 11.5" SBR is designed for professional users, tactical operators, and serious enthusiasts who demand the highest level of performance from a compact 5.56 platform.
Why Choose the Colt Monolithic Carbine 11.5" SBR?
The Colt Monolithic Carbine stands apart from traditional AR-15 platforms thanks to its one-piece monolithic upper receiver. This design significantly increases structural rigidity, reduces barrel flex, and improves overall accuracy compared to standard two-piece upper and handguard combinations. When paired with the compact 11.5-inch barrel, the result is a highly maneuverable short-barreled rifle that excels in close-quarters environments while maintaining the accuracy and reliability Colt is famous for. The LE6940-style monolithic platform in SBR configuration offers superior strength and consistency, making it an excellent choice for those who require a compact, high-performance 5.56 rifle for tactical applications, home defense, or professional use.
Key Features of the Colt Monolithic Carbine 11.5" SBR
- Monolithic Upper Receiver – One-piece design for maximum rigidity, reduced flex, and enhanced accuracy
- 11.5-Inch Barrel – Classic short barrel length for superior maneuverability in confined spaces
- 5.56 NATO Chambering – Versatile and widely available caliber with proven terminal performance
- Matte Black Finish – Durable, non-reflective coating suitable for professional and tactical use
- 30-Round Magazine Capacity – Compatible with standard AR-15 magazines
- Factory SBR Configuration – Genuine Colt short-barreled rifle ready for NFA compliance
- Model 098289020451 – Official Colt part number for the Monolithic 11.5" SBR
Performance and Build Quality
The Colt Monolithic Carbine 11.5" SBR is built to Colt’s exacting military-grade standards using premium components. The monolithic upper receiver is machined from a single piece of high-strength aluminum, providing unmatched structural integrity and eliminating the potential for movement between the upper receiver and handguard. This results in improved barrel harmonics and more consistent accuracy, even when accessories are mounted. The 11.5-inch barrel delivers excellent handling characteristics while maintaining strong ballistic performance at typical engagement distances. The matte black finish offers corrosion resistance and a professional appearance. This SBR features Colt’s proven direct impingement gas system and operating controls, ensuring smooth function and familiar handling for those experienced with the M4 platform. The monolithic design makes this carbine particularly well-suited for suppressed use and high-round-count training.
Technical Specifications
| Product Name | Colt Monolithic Carbine SBR |
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| Model Number | 098289020451 |
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| UPC | 098289020451 |
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| Caliber | 5.56 NATO / .223 Remington |
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| Barrel Length | 11.5 inches |
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| Capacity | 30 Rounds |
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| Upper Receiver | Monolithic One-Piece Design |
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| Finish | Matte Black |
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| Product Type | Short-Barreled Rifle (SBR) |
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| Key Feature | Monolithic Upper on 11.5" 5.56 SBR |
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| Best For | Tactical Use, Close-Quarters, Professional Applications, Suppressed Builds |
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Advanced monolithic strength in a compact SBR package.
The Colt Monolithic Carbine 11.5" SBR delivers superior rigidity, accuracy, and legendary Colt reliability in a highly maneuverable configuration.
Important Notice: This product is a Short-Barreled Rifle (SBR) and is subject to all applicable federal, state, and local laws, including National Firearms Act (NFA) regulations. The buyer is solely responsible for ensuring compliance with all laws in their jurisdiction, including proper registration, tax stamp requirements, and any restrictions on SBR ownership or configuration. This product is intended for lawful use only by individuals legally allowed to possess and register NFA firearms. Always follow proper firearm safety rules. Keep out of reach of children. This product is intended for lawful use only.
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