Log#6381 The Sturm, Ruger AR 556 rifle is a semi-automatic firearm chambered in the versatile 5.56 caliber. It's favored for its reliability, easy maintenance, and powerful performance. Featuring a sturdy adjustable stock, ergonomic handguard, cold hammer-forged barrel for exceptional accuracy, and a specially designed flash suppressor, it's well-suited for both practice and competition shooting. Its large magazine capacity and simple operation make it an attractive choice for experienced and novice shooters alike.