Internal hammer-fired, gas-operated, locked-breech TEMPO barrel system (barrel doesn't cam open until bullet passes gas port); Slim, optimally textured grip; Ambidextrous slide stop; Reversible magazine release; Slide cut for optics; Flat face trigger for consistent finger placement that allows for more accurate and repeatable shooting; Picatinny-style equipment rail; Forward slide serrations; Crisp single-action trigger break; Accurate 1 in 9" twist barrel