With a cyclic rate of fire that runs as spicy as 1,200 rounds-per-minute, the slide of the G18C can sometimes jog so fast that they outrun the magazine.
Larry Vickers from Vickers Tactical in the above gives a short overview of the compensated Model 18 Glock select-fire 9mm handgun before sending brass downrange in beautiful HD and Slo-mo. A true machine pistol and not a conversion with a fun switch modification on a more commonly encountered Glock, the 18 features a slide-mounted selector switch and is pretty rarely encountered due to the Hughes Amendment, which tragically relegates it to largely an LE and military-only item.
Still, maybe one day…