The Rock River Arms LAR-15M Assurance-UTE Carbine is engineered as a capable and dependable AR platform, designed for consistent performance across various operational requirements. Chambered in both .223 Remington and 5.56 NATO, this carbine offers critical ammunition versatility for training, defense, and field applications.
Key Features
Barrel & Gas System
The LAR-15M Assurance-UTE utilizes a 16-inch CMV (Chrome Moly Vanadium) lightweight barrel, optimized for durability and consistent thermal performance. A carbine-length A2 gas block ensures reliable cycling across various ammunition types, contributing to predictable operation.
Handguard System
An RRA CAR lightweight quad-rail system provides a robust interface for the direct integration of tactical accessories, including weapon lights, laser aiming modules, and optical sighting systems, without compromising balance or maneuverability.
Sighting Solutions
Equipped with factory-installed A2 front and rear sights, this carbine offers a proven, robust, and immediately functional iron sight solution, critical for immediate deployment and backup sighting.
Ergonomics & Control
User interface is optimized with an RRA Operator Stock, providing a stable and consistent shoulder mount. The Hogue Grip enhances weapon control through improved hand placement and tactile feedback, mitigating potential for slippage.
Utility Profile
Designed for broad application, the LAR-15M Assurance-UTE performs effectively in general purpose shooting scenarios, contributes reliably to a personal defense firearm inventory, and sustains consistent function during extended range sessions. Its adaptable design extends to hunting applications when paired with appropriate ammunition.
Included Accessories
Each unit includes a hard carrying case, providing secure transport and storage, protecting the firearm from environmental factors and impact during transit.
Technical Specifications
- Caliber: .223 Remington / 5.56 NATO
- Barrel Length: 16 inches
- Barrel Material: Chrome Moly Vanadium (CMV), Lightweight Profile
- Gas System: Carbine-Length, A2 Gas Block
- Handguard: RRA CAR Lightweight Quad-Rail System
- Sights: A2 Front and Rear Fixed Sights
- Stock: RRA Operator Stock
- Grip: Hogue Grip
- Included: Hard Carrying Case









