Ruger AR-556 5.56 NATO / .223 Rem – M-LOK Handguard | Flip-Up Sights | Ready to Run
For sale is a Ruger AR-556 chambered in 5.56 NATO / .223 Rem, outfitted with a 13.5" free-floating M-LOK handguard and flip-up front and rear sights. This rifle combines Ruger's renowned durability with modern modular features, making it an ideal choice for range work, home defense, or your next tactical build.