The Alex Pro Firearms RI01319 is a rifle featuring a .223 Wylde chamber, a 16-inch barrel made of 4140 M4 contour steel with a 1:9 twist rate. Its upper and lower receivers are forged from 7075-T6 aluminum. Additional components include an A2 Birdcage flash hider, a carbine-length gas system, and an M16 Nitride bolt carrier group. The rifle is equipped with a single-stage mil-spec trigger, an M4-style polymer handguard, a mil-spec 6-position stock, and a mil-spec A2 grip. It has a rail-height gas block that accommodates flip-up sights, weighs 6.2 lbs, and comes with a 30-round PMAG magazine.