BudsGunShop.com - How many mags

According to Gallery of Guns they ship with 2. One flush fit and one extended grip.

2 (1 Standard, 1 SnapGrip) UPC:
082442819730
Description:
BTA PX4 STORM SUB 9MM PST 13RD
Brand:
Beretta
Model:
PX4 Storm Sub-Compact
Type:
Pistol: Semi-Auto
Caliber:
9MM
Finish:
Bruniton (Matte Black)
Action:
Double Action
Stock:
Black Polymer with Interchangeable Backstraps
Sight:
Fixed 3-Dot
Barrel Length:
3
Overall Length:
6.2
Weight:
26.1 oz
Capacity:
13+1
# of Mags:
2 (1 Standard, 1 SnapGrip)
Safety:
Ambidextrous Safety/Decock Lever
Receiver:
Polymer Frame
Features:
Picatinny Accessory Rail;
Reversible Magazine Release, Drop-Free Magazines

Mark, this pistol comes in a hard plastic case, owners manual, warranty registration card (2) 13rd Magazines, cable lock, bore brush, orange plastic chamber blocker and Three Palmswell Grip Inserts (S, M, & L) to allow you to customize the grip to your preference.

Mark - With the Beretta subcompact you get two 13 round mags, 3 backstraps (S,M,L), mag loader, cable lock, bore brush and rod, instruction manual, and it all comes in a black hard plastic case. ,