DOOM Ultra Nightmare Pistol Only No Frag Grenades

I said it was impossible, I was wrong. This run has been requested several times, or in my case challenged. Until a few months ago I was convinced, based off my own experience in doing this run that it was impossible to complete it without frag grenades. I have finally done it after months of practice, and it is all but fake. I still used siphon grenades and decoys, these are not required but they make the job much easier along with runes and upgrades. Because no matter what, without and upgraded pistol,