Lumintop E21C might be worth considering if you’re attached to that side flood light. It’s shorter and brighter than your existing lights. Another option might be an Emisar D4V2 Dual Channel LH351D + W1 , making sure to order the steel bezel and magnetic tailcap. This light has two floody and two throwy emitters that you can switch between or use at once, and it will get quite bright.
Adjustable beams, known colloquially as “zoomies” usually aren’t recommended because they tend to lose a lot of light in the aspheric lens they use, they tend to be more fragile, and they are hard to waterproof.
Not sure which Streamlight ProTac you’re referencing, but this light has a fairly balanced beam:
There are throwier lights available in the form factor but few if any will have magnetic tail caps or side flood lights