Blue Mil-Spec skins make up four out of five case drops, and most of them are worth a few cents. A handful are not. We went through all 262 Mil-Spec skins in our database of 42 weapon cases and pulled the lowest listings across Skinport, Pricempire and market.csgo.com on 22 October 2026 to find the blues that are actually worth something.
There are two ways to rank them: by the cheapest copy you can buy, which shows what any copy is worth, and by the Factory New price, which shows what a clean one is worth.
The most valuable blues by cheapest listing
| Skin | Cheapest listing | Float range | Case | Year |
|---|---|---|---|---|
| Tec-9 | Blue Titanium | $21.98 (FN) | 0.00-0.04 | CS:GO Weapon Case 2 | 2013 |
| Galil AR | Blue Titanium | $14.81 (FN) | 0.00-0.04 | eSports 2013 Winter Case | 2013 |
| MP7 | Skulls | $12.62 (FT) | 0.10-0.26 | CS:GO Weapon Case | 2013 |
| SG 553 | Ultraviolet | $12.28 (FT) | 0.06-0.80 | CS:GO Weapon Case | 2013 |
| AUG | Wings | $11.99 (FN) | 0.00-0.14 | CS:GO Weapon Case | 2013 |
| FAMAS | Doomkitty | $6.48 (FT) | 0.08-0.22 | eSports 2013 Case | 2013 |
| USP-S | Stainless | $6.41 (BS) | 0.00-0.80 | CS:GO Weapon Case 3 | 2014 |
| Dual Berettas | Black Limba | $5.30 (BS) | 0.06-0.80 | Operation Bravo Case | 2013 |
| M4A1-S | Blood Tiger | $5.04 (MW) | 0.00-0.30 | CS:GO Weapon Case 2 | 2013 |
| Nova | Tempest | $4.63 (MW) | 0.06-0.22 | Operation Bravo Case | 2013 |
| Galil AR | Shattered | $4.44 (FT) | 0.06-0.80 | Operation Bravo Case | 2013 |
| M4A4 | Faded Zebra | $4.29 (BS) | 0.06-0.80 | eSports 2013 Case | 2013 |
Eleven of the twelve come from cases released in 2013, the first year of CS:GO cases. The five most valuable all cost more than $11 in any condition, which is more than the cheapest listing of any Classified skin in the current drop-pool cases.
The most valuable blues in Factory New
| Skin | Factory New | Cheapest listing | Case |
|---|---|---|---|
| USP-S | Blueprint | $94.95 | $3.42 | Operation Hydra Case |
| UMP-45 | Bone Pile | $68.45 | $3.71 | Operation Bravo Case |
| M4A4 | Faded Zebra | $59.52 | $4.29 | eSports 2013 Case |
| M4A1-S | Briefing | $57.18 | $3.75 | Operation Hydra Case |
| SG 553 | Ultraviolet | $49.45 | $12.28 | CS:GO Weapon Case |
| Glock-18 | Ironwork | $49.32 | $0.43 | Glove Case |
| MAC-10 | Ultraviolet | $42.10 | $2.61 | eSports 2014 Summer Case |
| Galil AR | Shattered | $40.93 | $4.44 | Operation Bravo Case |
| USP-S | Stainless | $40.43 | $6.41 | CS:GO Weapon Case 3 |
Here the gap between worn and clean is huge. A Glock-18 | Ironwork costs 43 cents in Battle-Scarred and $49.32 in Factory New, more than a hundred times as much. A USP-S | Blueprint goes from $3.42 to $94.95.
Why some blues hold their value
The case stopped dropping. Every case in both tables left the drop pool long ago. Supply only shrinks as skins get used in trade-ups or sit in inactive inventories, while the cases themselves have become expensive, as our most expensive cases list shows. The original CS:GO Weapon Case alone has three of the top five.
Tiny float ranges. The two Blue Titanium skins only go from 0.00 to 0.04, so every copy is Factory New and they trade like collector pieces. The AUG | Wings and MP7 | Skulls also have short ranges.
Popular guns, clean looks. USP-S and M4 skins sell well in any rarity, and simple finishes like Blueprint, Briefing or Stainless look good on a main weapon. Factory New copies of those are what push the second table.
Trade-ups use the rest. Most blues get consumed as inputs: ten Mil-Specs turn into one Restricted from one of their collections. That keeps cheap blues cheap, as our trade-up contract guide explains.
Blues from current cases
The five cases in the current weekly drop are a different world. Their cheapest blues sell for five to twelve cents in the Kilowatt, Revolution, Dreams & Nightmares and Fever Cases. The Gallery Case is the exception: its blues start at about $0.17, and the Factory New Desert Eagle | Calligraffiti and USP-S | 27 sell for close to $5.
Across all 262 Mil-Spec skins in our database, only 50 had a cheapest listing of a dollar or more, and 42 were under ten cents. Our skin rarity guide explains how the tiers and their odds work.
