Rock River Arms AR1910 LAR-15M | 5.56 NATO | 16″

The Rock River Arms AR1910 LAR-15M Assurance-M is a semi-automatic 5.56x45mm NATO carbine built around a 16″ barrel with a carbine-length gas system. It ships in black and includes an adjustable RRA Operator CAR stock, a Hogue grip, flip-up front and rear sights, and a 30+1 capacity. The rifle uses an RRA lightweight quad-rail and features an A2 flash hider for standard sport shooting configurations. For a versatile optic under $1,000 that pairs well with this platform, consider the Vortex Strike Eagle 1-6×24 for close- to mid-range engagements.

Product Specifications

• The caliber is .223 REM/5.56 NATO.
• The action is Semi-Auto.
• The barrel length is 16″.
• The barrel description is 16″ Chrome Moly Steel.
• The rate of twist is 1:8″.
• The trigger is a Two-Stage Match.
• The capacity is 30 + 1.
• The overall length is 33″.
• The weight is 7 lbs.
• The weight range is 7 lbs to 7.99 lbs.
• The stock description is Adjustable RRA Operator CAR.
• The sights are Flip Up Front & Rear.
• The muzzle device is an A2 Flash Hider.
• The primary material is Aluminum.
• The UPC is 842834100934.

Built for reliable service on the range and in competition, this AR-pattern carbine balances familiar ergonomics with match-oriented parts like a two-stage trigger and a 1:8″ twist rate. Its configuration suits precision-oriented practice and dynamic course shooting while remaining compatible with a wide range of accessories and optics. The included flip-up sights and adjustable stock make the rifle adaptable out of the case.