Gateron KS-3X1 Milky Pro Heavy
The Gateron KS-3X1 Milky Pro Heavy is a 60g heavy tactile with an early bump, milky nylon bassy bottom-out, and a factory-lubed feel out of the box.
How it feels
Feel ratings not yet recorded for this switch.
How it sounds
Full review
Quick Summary
The Gateron KS-3X1 Milky Pro Heavy is a heavy tactile switch in Gateron’s KS-3X1 line, which fans out the well-liked KS-3 Milky Pro housing across different switch types. The bump is sharp and arrives at the very top of the stroke before flattening into a near-linear bottom-out, and the milky nylon housing lends a deep, bassy thock under the otherwise clacky tactile chatter. It’s a strong pick for typists who like their tactility up front and their switches on the firmer side.
Specs and Feel
This is a front-loaded tactile: the 60g bump engages immediately at the top of the keypress, then evens out to a linear feel a touch past the halfway mark of the 3.4mm total travel. Pre-travel sits at the standard 2.0mm. The dual-stage spring gives it a heavier, more deliberate return than a typical 45-50g switch, which suits deliberate typists more than fast gamers. The factory lube and POM stem keep the downstroke smooth, with minimal scratch and well-controlled wobble thanks to the dense milky nylon housing. On sound it mixes two elements: a high-pitched, clacky tactile snap on top of the signature bassy, milky Gateron bottom-out.
Tuning
It comes lubed and is perfectly serviceable stock. If the dual-stage spring introduces any ping, a light hand application of spring lube cleans it up; films are unnecessary on this tight-tolerance housing.
Verdict
A solid pick if you specifically want an early, snappy tactile bump paired with a deep milky bottom-out and a heavier spring. Skip it if you prefer mid-stroke tactility or a lighter actuation. The feedback here is all at the top and the 60g weight is firm. For heavy-handed tactile fans on a budget, it’s an easy recommendation.
Frequently asked
Is the tactile bump on the Milky Pro Heavy at the top or the middle?
It's a front-loaded bump that hits right at the top of the keypress, then smooths out to a near-linear glide a little past halfway down. If you want a rounded mid-stroke tactility, this isn't it. The feedback is all early.
Does it need lubing or filming?
It ships factory-lubed and the milky nylon housing keeps stem wobble in check, so it's usable straight out of the bag. A hand re-lube on the springs can quiet the dual-stage ping if you're chasing a cleaner sound, but films are unnecessary on this MX-standard housing.
How heavy is it to type on?
With 60g actuation on a dual-stage spring, it's a genuinely heavy tactile , noticeably firmer than a 45g linear and well suited to heavy-handed typists who want resistance to push back against.
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