CZ Scorpion EVO 3 S1 Carbine 9mm Luger 16.2 Inch Threaded Barrel 1/2x28 TPI Faux Suppressor Black 20 Round. Fit with the factory s folding adjustable stock the carbine features a number of US-made parts to make it fully 922(r) compliant. Features a newly-designed forend, covered in M-LOK attachment points. Low-profile aluminum adjustable sights round out the platform and a top Picatinny rail allows the mounting of a wide number of optics. Ambidextrous controls, swappable non-reciprocating charging handle and the trigger is adjustable. Souble stack polymer magazine. Fiber-reinforced polymer frame. Polymer grips are adjustable for reach to trigger. Low-profile sights with fully adjustable aperture and post (4 rear aperture sizes). Cold hammer forged threaded barrel (1/2x28 TPI). Ambidextrous thumb safety.