Gateron Oil King
The Oil King is what happens when Gateron stops playing it safe. Factory-lubed with a full nylon housing and an ink-black colorway, this switch basically eliminated the need to hand-lube for 90% of people. The 55g spring gives you just enough resistance to avoid accidental presses during fast strafing, while the actuation at 2.0mm keeps your inputs tight.
Why it works for comp: The self-lubricating design means zero scratchiness from day one — no break-in period. You get consistent keypresses across the entire board, which is critical when you're flicking between abilities in a MOBA or quick-switching weapons. It's also dead silent if you bottom out, so your teammates won't hear you rage-pressing in clutch rounds.
The catch: These go in and out of stock constantly. Some vendors mark them up 2-3x when supply dries up, which is why most people who love them buy in bulk when they can.