The HP-15 series offers users a mil-spec AR-15 featuring a flat-top rail and full-length, free-floated handguard ideal to serve as an excellent starting platform for customization. The R model comes in a rifle configuration. This model features a B5 Systems Bravo stock and pistol grip along with aluminum flip-up sights, and sports a custom M81 Woodland camouflage pattern. One 30-round magazine is included.