Hi Mariano and welcome back. This pistol includes two 17rd magazines and four interchangeable palmswell grip inserts. Cheers and stay safe!

omes with 2 17 round mags see *****
Brand: Smith & Wesson
Series: M2.0 Metal Optic Bundle
Model: M&P
Caliber: 9mm Luger
Barrel Length: 4.25"
Overall Length: 7.40"
Magazine Capacity: 17 + 1
Action: Striker Fire
Frame Finish: Tungsten Gray Cerakote
Frame Material: Aluminum
Slide Finish: Tungsten Gray Cerakote
Slide Material: Stainless Steel
Optic: Holosun HS407C X2 (Red Dot)
Sights: 3-Dot White, Contrast Style
Barrel Finish: Black Armornite
Grips: Black Interchangeable Backstrap
Safety: No Thumb
Weight: 30 oz
Additional Features: *******2 Magazines, 4 Palmswell Grip Inserts, Flat Face Trigger, Holosun Red Dot, Aluminum Frame with Picatinny Rail

Hi Mariano, this comes with (2) 17rd magazines.
Stay safe & have a great day!