With 22 rounds in the magazine, you can enjoy more time shooting and less time spent reloading. Using the Tempo™ barrel system, the front gas port keeps everything working as it should - no moving parts until they’re supposed to be moving. Featuring an optic-cut slide, you can mount most micro red dots. Our flat-face trigger gives users a consistent trigger finger placement, allowing for more accurate and repeatable shooting. – Brand: Smith & Wesson – Model/Series: M&P 5.7 – Caliber: 5.7x28mm – Capacity: 22 – Action: Semi-Auto – Barrel Length: 5" – Twist Rate: 1:9"