This is the officially licensed Smith & Wesson M&P9 M2.0 blowback action BB pistol. This air pistol is fully featured with blowback action full-size drop-free magazine last round hold open 18 round BB capacity trigger blade safety interchangeable grip backstraps and ambidextrous slide release. This M&P9 M2.0 shoots .177 caliber steel BBs at a velocity of 400 FPS and can be complemented by spare magazines (SKU number 2255005) for extended shooting or magazine change drills. - Smith & Wesson M&P9 M2.0 Replica - Shoots .177 Caliber Steel BBs - Powered by Single 12 gram non-threaded CO2 Cartridge - Drop Free Magazine - Magazine Holds 18 BBs - Blowback Action Design - Last Round Hold Open - Trigger Blade Safety - Manual Side Safety - Included Interchangeable Backstraps: S M (installed) and L - Shoot BBs at 400 FPS