The RRA Light Mountain Rifle is a high-performance semi-automatic rifle from Rock River Arms, expertly crafted to meet the needs of both seasoned shooters and enthusiasts. Chambered in .223 Remington and 5.56 NATO, this Rock River AR-15 offers versatility and precision, making it a top choice for various shooting applications. The rifle features a 16-inch barrel with a 1:9 twist, ensuring optimal accuracy and stability with every shot. Its black synthetic stock provides a durable and lightweight foundation, perfect for handling in diverse environments. The 20-round magazine capacity ensures ample firepower, while the RRA Winter trigger guard enhances usability in colder conditions, making it an ideal companion for outdoor adventures. The Rock River AR-15 rifle comes with an RRA case, offering protection and convenience for transport and storage. With an overall length of 32.5 inches, this firearm is compact enough for maneuverability without sacrificing performance. The inclusion of the RRA trigger guard and the sleek design of the black synthetic stock highlight Rock River's commitment to quality and attention to detail. Whether you are engaging in target shooting or hunting, the RRA Light Mountain Rifle delivers reliability and precision with each trigger pull. Its compatibility with both .223 Remington and 5.56 NATO rounds further enhances its adaptability, making it a versatile addition to any firearm collection. This Rock River Arms rifle, identified by UPC 842834110117 and MPN MT1800, stands out as a premier choice for those seeking a dependable and efficient AR-15 rifle.