The S&W M&P 5.7 Two-Tone, 5.7x28mm pistol with the TEMPO barrel system- barrel doesnt cam open until bullet passes gas port. The pistol features a 5" threaded barrel w/thread protector; FDE polymer frame; black optic ready, Armomite finish slide; internal hammer-fired gas operated; slim textured grip; flat face trigger; metal white dot sights; Picatinny-style equipment rail; 1 in 9" twist barrel; ambidextrous slide stop and reversable magazine release. Includes two 22rd metal magazines.