The 2021 Train Collection trade-ups
The 2021 Train Collection has 3 legal trade-up contracts, from Mil-Spec Grade up to Covert. The cheapest today is ten M4A1-S | Fizzy POP in Field-Tested at €1.14 each, a €11.40 ticket, for one of 5 Restricted skins at 20.00% each. Those ten land the outcomes in Field-Tested to Battle-Scarred. Asks read 2026-09-28.
The cheapest legal contract, worked through
Ten copies of M4A1-S | Fizzy POP in Field-Tested at €1.14 each make the cheapest Mil-Spec Grade contract here: €11.40 in, one Restricted skin out. The cheapest Field-Tested copy sits at the worst float of its band, 0.379999, which is 67 percent of the way up that skin's own range, and that position, not the raw float, is what maps into each outcome's range. At that float the outcomes land in Field-Tested to Battle-Scarred.
Priced at those wears, none of the 5 outcomes we can quote nets more than the €11.40 ticket after the venue's fee. They run from €4.27 to €6.28.
That's the calculator's arithmetic on the cheapest listing, not a pick; price your own ten in the trade-up calculator.
Mil-Spec Grade to Restricted
Ten Mil-Spec Grade skins from The 2021 Train Collection return one of 5 Restricted skins, each at 20.00%, when all ten come from here.
Cheapest ticket: ten M4A1-S | Fizzy POP in Field-Tested, €11.40. Inputs run from M4A1-S | Fizzy POP at €1.14 to R8 Revolver | Blaze at €2.54. Where the cheapest ten land, P2000 | Space Race nets the most, €6.28, and Nova | Red Quartz the least, €4.27. No StatTrak contract on this step: the versions aren't there on both sides.
| Mil-Spec Grade input | Cheapest ask | Wear | Float range |
|---|---|---|---|
 M4A1-S | Fizzy POP | €1.14 | FT | 0.00 to 0.57 |
 UMP-45 | Full Stop | €1.15 | BS | 0.00 to 0.60 |
 SSG 08 | Spring Twilly | €1.19 | WW | 0.00 to 0.55 |
 Tec-9 | Safety Net | €1.20 | FT | 0.00 to 0.60 |
 AUG | Amber Fade | €1.34 | FT | 0.00 to 0.40 |
 Desert Eagle | Sputnik | €1.41 | WW | 0.00 to 0.50 |
 R8 Revolver | Blaze | €2.54 | FN | 0.00 to 0.08 |
Free account, one click through Steam. You come straight back here with every row open, and your own inventory priced per copy.
On Steam's own page. We never receive your Steam password or touch your skins.
The button opens steamcommunity.com, so check the address bar. Steam may ask for your password there; it never reaches us. Steam only tells us your public ID. Read-only: we can't trade, sell or move a single item. Free, no card.
Open this page in Safari or Chrome before signing in through Steam.
On a phone Steam may ask for your login here, even with its app signed in. Approve in the app if it asks, then come back to this tab.
| Restricted outcome | Chance | Lands at | Net there |
|---|---|---|---|
 AWP | POP AWP | 20.00% | FT 0.293333 | €5.01 |
 CZ75-Auto | Syndicate | 20.00% | BS 0.466665 | €4.41 |
 MP5-SD | Autumn Twilly | 20.00% | WW 0.386666 | €5.45 |
 Nova | Red Quartz | 20.00% | FT 0.266666 | €4.27 |
 P2000 | Space Race | 20.00% | WW 0.399999 | €6.28 |
Free account, one click through Steam. You come straight back here with every row open, and your own inventory priced per copy.
On Steam's own page. We never receive your Steam password or touch your skins.
The button opens steamcommunity.com, so check the address bar. Steam may ask for your password there; it never reaches us. Steam only tells us your public ID. Read-only: we can't trade, sell or move a single item. Free, no card.
Open this page in Safari or Chrome before signing in through Steam.
On a phone Steam may ask for your login here, even with its app signed in. Approve in the app if it asks, then come back to this tab.
Restricted to Classified
Ten Restricted skins from The 2021 Train Collection return one of 3 Classified skins, each at 33.33%, when all ten come from here.
Cheapest ticket: ten CZ75-Auto | Syndicate in Field-Tested, €41.40. Inputs run from CZ75-Auto | Syndicate at €4.14 to Nova | Red Quartz at €6.00. Where the cheapest ten land, MAC-10 | Propaganda nets the most, €24.20, and FAMAS | Meltdown the least, €19.74. No StatTrak contract on this step: the versions aren't there on both sides.
| Restricted input | Cheapest ask | Wear | Float range |
|---|---|---|---|
| CZ75-Auto | Syndicate | €4.14 | FT | 0.00 to 0.70 |
| P2000 | Space Race | €4.18 | BS | 0.00 to 0.60 |
| MP5-SD | Autumn Twilly | €4.30 | BS | 0.00 to 0.58 |
| AWP | POP AWP | €4.53 | FT | 0.00 to 0.44 |
| Nova | Red Quartz | €6.00 | MW | 0.00 to 0.40 |
Free account, one click through Steam. You come straight back here with every row open, and your own inventory priced per copy.
On Steam's own page. We never receive your Steam password or touch your skins.
The button opens steamcommunity.com, so check the address bar. Steam may ask for your password there; it never reaches us. Steam only tells us your public ID. Read-only: we can't trade, sell or move a single item. Free, no card.
Open this page in Safari or Chrome before signing in through Steam.
On a phone Steam may ask for your login here, even with its app signed in. Approve in the app if it asks, then come back to this tab.
| Classified outcome | Chance | Lands at | Net there |
|---|---|---|---|
 FAMAS | Meltdown | 33.33% | FT 0.217142 | €19.74 |
 MAC-10 | Propaganda | 33.33% | FT 0.336571 | €24.20 |
 USP-S | Whiteout | 33.33% | BS 0.461713 | €22.00 |
Classified to Covert
Ten Classified skins from The 2021 Train Collection return one of 2 Covert skins, each at 50.00%, when all ten come from here.
Cheapest ticket: ten MAC-10 | Propaganda in Battle-Scarred, €240. Inputs run from MAC-10 | Propaganda at €24.01 to USP-S | Whiteout at €28.19. Where the cheapest ten land, M4A4 | The Coalition nets the most, €104, and Glock-18 | Gamma Doppler the least, €59.24. No StatTrak contract on this step: the versions aren't there on both sides.
| Classified input | Cheapest ask | Wear | Float range |
|---|---|---|---|
| MAC-10 | Propaganda | €24.01 | BS | 0.00 to 0.62 |
| FAMAS | Meltdown | €24.07 | FT | 0.00 to 0.40 |
| USP-S | Whiteout | €28.19 | BS | 0.06 to 0.80 |
| Covert outcome | Chance | Lands at | Net there |
|---|---|---|---|
 Glock-18 | Gamma Doppler | 50.00% | BS 0.5 | €59.24 |
 M4A4 | The Coalition | 50.00% | BS 1 | €104 |
Mixing in other collections
The ten inputs don't have to come from one collection: each input hands its own collection a tenth of the odds. Five Mil-Spec Grade inputs from here and five from The eSports 2014 Summer Collection split the contract 50/50, so each of this collection's 5 outcomes drops to 10.00%, and The eSports 2014 Summer Collection's 5 outcomes share the other half.
The other Mil-Spec Grade contracts nearest this one's €11.40 ticket today:
| Collection | Mil-Spec Grade ticket | Outcomes |
|---|---|---|
| The eSports 2014 Summer Collection | €13.40 | 5 |
| The Winter Offensive Collection | €9.20 | 4 |
| The eSports 2013 Winter Collection | €14.60 | 2 |
| The Graphic Design Collection | €6.90 | 3 |
Every collection's contracts, cheapest ticket first, are on trade-ups by collection.
Where these skins come from
No weapon case drops The 2021 Train Collection; its skins came from operations, drops or souvenir packages.
Questions about The 2021 Train Collection trade-ups
How many trade-up contracts are there in The 2021 Train Collection?
3: Mil-Spec Grade to Restricted, Restricted to Classified, Classified to Covert.
What is the cheapest trade-up in The 2021 Train Collection?
Ten M4A1-S | Fizzy POP in Field-Tested at €1.14 each, €11.40 for the Mil-Spec Grade to Restricted contract, asks read 2026-09-28.
What are the odds of a trade-up in The 2021 Train Collection?
With all ten inputs from The 2021 Train Collection: Mil-Spec Grade to Restricted, 1 in 5; Restricted to Classified, 1 in 3; Classified to Covert, 1 in 2.
Can you do a StatTrak trade-up in The 2021 Train Collection?
No. The 2021 Train Collection has no StatTrak versions on both sides of any step, so every contract here runs in normal copies.
Can you trade up to a knife from The 2021 Train Collection?
No. Its Coverts don't come out of a case with a knife pool, so the ladder here ends at Covert.