5.56 AR15 rifles for sale online or in-store at Sportsman's Warehouse. Shop a full selection of 5.56 caliber AR15 rifles from top firearms manufacturers.

The Ruger AR-556 is a semiautomatic AR-15 style rifle manufactured by U.S. firearms company Sturm, Ruger & Co. Introduced in 2014 as an entry-level AR-15 using a direct impingement action, with variants since being released such as the upgraded AR-556 MPR (multi-purpose rifle) in 2017 [1] and the AR-556 pistol in 2019.

Ruger AR-556 5.56 NATO, 350 Legend, 450 Bushmaster, 223 Wylde AR 15 style rifles.

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Our collection of AR-15s for sale feature high-quality parts and accessories designed for performance. Shop AR-15 rifles at Sportsman's Outdoor Superstore.

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Ruger AR-556 5.56 NATO M4 Flat-Top Autoloading Rifle w/ Barrett Brown Cerakote Finish

AR-556 5.56MM BLK 16 30RD; Made from 7075-T6 hard-coat anodized aluminum forgings, shot-peened and proof-tested 9310 steel bolt, and 8620 steel bolt carrier; The inside diameter of the carrier and gas key are chrome plated and for longevity