Gut Knife | Stained
- Wear range
- 0.00–1.00
- Released
- 2013-09-20
- Paint kit
- 43
- Finish style
- Patina
- Sources
- CS:GO Weapon Case、eSports 2013 Case、CS:GO Weapon Case 2、Operation Bravo Case、eSports 2013 Winter Case、Winter Offensive Weapon Case、CS:GO Weapon Case 3、Operation Phoenix Weapon Case、eSports 2014 Summer Case、Operation Vanguard Weapon Case、Revolver Case
- Drop chance (estimate)
- CS:GO Weapon Case：Any rare special item 0.256%; exact finish probability undisclosed；eSports 2013 Case：Any rare special item 0.256%; exact finish probability undisclosed；CS:GO Weapon Case 2：Any rare special item 0.256%; exact finish probability undisclosed；Operation Bravo Case：Any rare special item 0.256%; exact finish probability undisclosed；eSports 2013 Winter Case：Any rare special item 0.256%; exact finish probability undisclosed；Winter Offensive Weapon Case：Any rare special item 0.256%; exact finish probability undisclosed；CS:GO Weapon Case 3：Any rare special item 0.256%; exact finish probability undisclosed；Operation Phoenix Weapon Case：Any rare special item 0.256%; exact finish probability undisclosed；eSports 2014 Summer Case：Any rare special item 0.256%; exact finish probability undisclosed；Operation Vanguard Weapon Case：Any rare special item 0.256%; exact finish probability undisclosed；Revolver Case：Any rare special item 0.256%; exact finish probability undisclosed
Steam market price
CNY
Introduction
Shop take: Forced Patina is the kind of knife skin that looks “fine” in a thumbnail and only tells the truth in inspect. Budget for the wear tier you want, confirm the patina blocks on your blade shape, and treat the black-light quirk as a fun tie-breaker—not a reason to overpay.
Valve shipped this finish with The Arms Deal on 14 August 2013. It’s catalog 43, internal aq_forced—a first-party patina, not a Workshop drop. The same forced-oxidation read shows up across multiple knife models; what changes is where the green sits on each silhouette.
In normal lighting you get textbook patina: mottled green rust over bare metal, busy up close, readable at distance. The flavor line isn’t decoration—it nudges you toward black-light inspect, where the surface story shifts. That’s the easter egg buyers forget until they’ve already committed.
Wear (0.00–1.00) is the whole shopping game. Lower float keeps larger, cleaner oxidized fields; higher float strips patina back and pushes a worn, steel-forward look. Uncommon rarity doesn’t save you from bad listings: two “similar” floats can look nothing alike once the pattern lands on different knife geometry.
Buying checklist
- Use in-game inspect or a sharp preview on C5GAME and Steam Community Market—same float, different knife, different face.
- Decide upfront: do you want full patina coverage or a beat-up metal-forward vibe?
- If the listing photos look muddy, assume the patina is doing that on purpose; verify before you blame “bad screenshots.”
- Compare same-tier wear with real inspect shots, not icon art.
Expert mutterings
I’ve passed on “cheap FN” Forced Patina gut knives because the green clustered on the handle and left the blade oddly plain—perfectly valid skin, wrong personal brief. Conversely, a mid-wear bayonet with uneven rust can look more honest than a squeaky-clean low float that reads like a flat filter. This finish is 2013 energy: no gradient lottery, no wood fantasy—just oxidation fiction (lemon and mustard, says the lore) rendered as metal chemistry. Prices tend to follow knife type and float habit, not rarity stacking, which makes it a sane daily carry if you’re not chasing flex. Just don’t buy it like a Doppler: the patina is the pattern, and the black-light reveal is the only “secret mode” you get.
Verdict: Buy when inspect matches your wear goal and the patina layout fits your knife; skip when you’re guessing from a icon or ignoring how much metal you want showing through.