SKU: 148300
UPC: 842834100880
MPN: AR1900
The Rock River Arms 5.56 NATO 16" 31-Round AR Rifle is a purpose-built platform designed for law enforcement, military training, and civilian tactical applications where reliability and modularity are non-negotiable. Built on the proven AR-15 architecture, this rifle delivers the accuracy and ergonomic control essential for precision work at tactical distances while maintaining the lightweight portability required for dynamic operations.
The 16-inch barrel strikes the optimal balance between velocity retention, maneuverability in confined spaces, and sight radius—a configuration favored across professional and civilian marksmanship communities. Rock River Arms' engineering emphasizes consistent quality control and corrosion-resistant finishes designed to withstand field conditions and frequent training cycles. The modular AR platform allows immediate customization—rail systems, optics mounts, furniture, and aftermarket components integrate seamlessly, enabling end-users to optimize the platform for mission-specific requirements without extensive gunsmithing.
At 16.55 lbs, the rifle remains controllable under stress while providing sufficient mass for recoil management and stable shooting positions. This rifle serves law enforcement patrol units, tactical trainers, and civilian enthusiasts seeking a reliable and customizable firearm for various applications.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.