-CNC finished slide and frame with a molded stippled grip for improved handling -A competition style barrel ported slide cuts lighten the slide and give the gun an aggressive, race gun look -Front and rear fiber optic sights, rear sight is adjustable -Beveled magwell assists with improving smoothness of reloads -Ambidextrous safety swtiches and fully functioning beavertail grip safety -Brushed stainless accents The REX line features a more ergonomic, redesigned grip with simulated stippling, improving the shooter's grip. The REX line utilizes CNC finishing to ensure reliable fitment and improved performance. The REX line also utilizes a stronger recoil spring and short stroke buffer to give the guns a more realistic recoil and improved cyclic rate.