Here in the Springs, full auto is a no-go at Cheyenne Mountain Shooting Complex near Ft Carson, last I checked. When I go out for happy fun switch shooting, it's been to Dragonman's out east, or on public lands in the National Forest out by Woodland Park.

Magnum Shooting Ctr at Northgate rents some full auto stuff, but would only allow full members to shoot their own full autos, and only by special appointment, while I was still a member there.

Isaak Walton doesn't allow full auto.

Frontier Sportsman's Club allowed it at their Fountain range, but not the Falcon range last I checked.

Not sure what Whistling Pines does, but you have to be a member or guest there, if not attending an organized competition.