Rock River Arms AR1900 LAR-15M | 5.56 NATO | 16″

This Rock River Arms AR1900 LAR-15M Assurance-C is chambered in 5.56x45mm NATO and built on a 16″ CMV barrel with a carbine-length gas system. It features a Picatinny rail gas block mounted to an RRA CAR lightweight quad-rail and ships with an RRA 6-position Operator stock, Hogue grip, and a carrying case. The rifle’s two-stage match trigger and serviceable AR-pattern controls make it well suited to range training and service-style competition. A Vortex Strike Eagle 1-6×24 would pair well with this carbine and is comfortably priced under $1000.

Product Specifications

• The UPC is 842834100880.
• The category is AR Rifles.
• The action is Semi-Auto.
• The caliber/gauge is .223 REM/5.56 NATO.
• The barrel length is 16″.
• The barrel description is Threaded.
• The capacity is 30 + 1.
• The weight is 7 lbs.
• The muzzle is an A2 Flash Hider.
• The overall length is 33″.
• The material is Aluminum.
• The safety is a Selector Switch.
• The stock description is RRA 6 Position Operator.
• The trigger is a Two Stage Match.
• The rate of twist is 1:8″.

Built as a straightforward, serviceable AR-pattern carbine, the AR1900 Assurance-C balances modularity and familiar ergonomics while providing the accessory mounting surfaces expected of a modern platform. The threaded 16″ barrel and full quad-rail allow for a range of sighting and accessory setups, making this a sensible pick for shooters focused on training and competition applications who want a durable foundation to build from.