Turn a standard Ruger® 10/22® rifle (not included) into a battle-ready rifle with the Archangel® 556 AR-15® Style Conversion Stock for the Ruger 10/22. The Advanced Rimfire System (ARS) is built using proven mil-spec polymers. Mount modern accessories on your Archangel. Its upper receiver has a Picatinny rail for mounting optics. The free-floating handguard has Picatinny rails top and bottom. Built-in storage in the pistol grip and in the six-position Archangel combat stock extension tube. A muzzle device completes the system with a Picatinny rail and bayonet lug. An injection-molded polymer magazine release is included, a $25 value. Use with standard 10/22 barrels only.