This ships with (2) 20rd Magazines Tom.

2 -20 round mags What's in the Box
Scorpion EVO 3 S1 9mm Carbine
(2) Magazines
CZ 9mm Bore Cleaner
Owner's Manual The Scorpion Carbine is a whole new animal. Building on the lauded submachine gun platform that first hit the US civilian market in pistol form in 2015, the Carbine has a 16.2″ barrel fitted with a compensating muzzle brake, built specifically for CZ-USA by SilencerCo.
Fit with the factory’s folding adjustable stock, the Carbine features a number of US-made parts to make it fully 922(r) compliant. One of the nicest features of the firearm is the newly-designed forend, covered in M-LOK attachment points to keep the profile slim while still being big enough to swallow most pistol-caliber suppressors should the owner decide down the road to convert it into an SBR for use with a suppressor.
Low-profile aluminum adjustable sights round out the platform, and a top Picatinny rail allows the mounting of a wide number of optics. Simple and reliable, the Scorpion not only has ambidextrous controls, its non-reciprocating charging handle is swappable and reach to the trigger is adjustable.
Firearm Specifications
Product Name: CZ Scorpion EVO 3 S1 Carbine with Muzzle Brake
SKU: 08505
Caliber: 9mm Luger
Magazine Capacity: 20+1
Barrel: 16.2" Cold Hammer Forged 1/2x28 Muzzle Thread
Overall Length: 36"
Frame: Fiber-Reinforced Polymer
Grips: Polymer Adjustable for Reach to Trigger
Sights: Low-Profile Fully Adjustable Aperture and Post 4 Rear Aperture Sizes
Weight: 6.38 lbs.