The Ruger AR-556 is a highly reliable and versatile AR-style rifle designed for both novice and experienced shooters. It features the Ruger Rapid Deploy folding rear sight, offering windage adjustability, paired with an A2-style, F-height front sight that is elevation adjustable, providing a dependable aiming system. Constructed from 7075-T6 hard-coat anodized aluminum forgings, the rifle is built for durability and strength. The 9310 steel bolt and 8620 steel bolt carrier are shot-peened and proof-tested to ensure long-term reliability. The carrier and gas key are chrome-plated on the inside diameter, with the gas key staked for added longevity, ensuring the rifle’s internal components are well-protected. The AR-556 is equipped with a cold hammer-forged alloy barrel with a 1:8" twist rifling, offering exceptional accuracy with bullets ranging from 35 to 77 grains. The M4 feed ramps and 5.56 NATO chamber allow the use of both 5.56 NATO and .223 Remington ammunition, enhancing versatility. The 6-position, telescoping buttstock and Mil-Spec buffer tube make the rifle adaptable to different shooters and varying levels of outerwear. Ergonomic features, such as the extended trigger reach pistol grip and enlarged trigger guard, ensure comfort and precision, even in cold weather. The handguards made from heat-resistant glass-filled nylon and the Ruger flash suppressor with a matte black oxide finish, further enhance the rifle's durability and shooting comfort, making the Ruger AR-556 an excellent choice for a wide range of shooting applications. The AR-556 Pistol features a 10.5" barrel paired with a free-float handguard equipped with M-LOK slots, allowing for versatile accessory attachment. It also comes with an SB Tactical SBA3 Pistol Stabilizing Brace for enhanced control. This model is available in multiple calibers, including .300 AAC Blackout and .350 Legend, catering to a variety of shooting preferences.