The Performance Center M&P Shield X Comp with the addition of our PowerPort, designed to leverage high-pressure gases and drive down the muzzle during firing, reduces felt recoil and ensures you get back on target faster. Featuring aggressive front and rear serrations for racking; a reversible magazine catch; longer, more ergonomic grip that maximizes capacity; flat-plane RMSc & Holosun K optic cut and front rail allow you to customize to your needs. Includes a 13rd and 15rd magazine.