The Rock River Arms LAR-15M Assurance-M carbine delivers a direct-impingement AR-15 platform optimized for reliable function and practical application. This model integrates essential components to provide a consistent and adaptable firearm for a range of operational requirements.
Key Features
Barrel & Gas System
The LAR-15M Assurance-M features a 16-inch CMV (Chrome Moly Vanadium) lightweight barrel. This material composition is selected for its durability and resistance to wear, contributing to sustained accuracy over its service life. The lightweight profile maintains maneuverability without compromising barrel rigidity. A carbine-length gas system, utilizing an underlying gas block, ensures consistent and reliable cycling across various ammunition types while maintaining a low-profile aesthetic.
Handguard & Sights
An RRA CAR lightweight quad-rail provides a robust interface for accessory integration. The quad-rail design facilitates precise attachment of auxiliary equipment such as weapon lights, laser aiming modules, and vertical foregrips. Integrated flip-up sights are pre-mounted, offering immediate operational capability and serving as a reliable backup aiming solution.
Furniture
This carbine is equipped with an RRA Operator Stock, which provides a stable shoulder platform for improved shooting mechanics and enhanced recoil management. The Hogue rubberized grip improves weapon control and mitigates operator fatigue through enhanced ergonomics and a secure purchase.
Included Accessories
The LAR-15M Assurance-M is supplied with a dedicated carrying case, ensuring secure transport and protection of the firearm when not in use.
Technical Specifications
- Caliber: 5.56x45mm NATO
- Barrel Length: 16 inches
- Barrel Material: CMV (Chrome Moly Vanadium)
- Barrel Profile: Lightweight
- Gas System: Carbine-length, underlying gas block
- Handguard: RRA CAR Lightweight Quad-Rail
- Sights: Flip-Up Sights
- Stock: RRA Operator Stock
- Grip: Hogue Grip
- Capacity: 30+1 Rounds
- Finish: Black
- Included: Carrying Case
- SKU: TSW|148301









