Where are you looking?? Cause they’re soooooooo many! So so so so many!!!
There’s so many I can’t even begin to include them all here, but I’ll list a few favs
sillyscrunchy unicornsandbutane has a couple of real good ones je-suis-le-petit-lapin has a few TypingatLightspeed has stuff
teratomarty’s fic master post, I know they’ve got a few Snuff by Toxo, Sniper/Scout, Sniper/Spy, Sniper/Spy/Scout, Medic/Scout, Medic/Sniper, Medic/Sniper/Scout, choking, cross dressing, rough sex, existential dread Lecture by Charms, Sniper/Scout, spanking A Picture is Worth a Thousand Faps by Kate Matty, Sniper/Scout, rough sex, verbal degradation, use of gay slurs A Nice House by Anonymous, NSFW, Scout topping Sniper while Sniper tries not to think about how he has a wife and kids back home Five Times that Scout and Sniper Definitely Weren’t Friends by AlexKingoftheDamned (Super nice slow build OTP fic, last chapter is NSFW)
Sniper/Scout tag on the Fic Blog full of tons of authors and links
And of course, I’ve written tons of Sniper/Scout<3
Seriously, there’s so much out there, I’m positive I’ve missed dozens of authors and fics. Explore the TF2 Chan and you’ll find some crazy stuff, AO3 has a pretty great tagging system. Each author above has written quite a few fics, of different pairings too, check them out!