Master Guide to MAC-10 Case Hardened Blue Gem Patterns & Tier Rankings

There are four different tiers in the index, numbered 1-4 in order of value, with 1 being the highest and 4 lowest. The numbers in the opposite column signify the seed patterns, which are basically a variation in the Case Hardened pattern transferred onto the weapon from a color sheet.
Tier 1 patterns have the highest amount of the Blue stain from the Case Hardened finish, and thus generate the highest amounts of overpay for the skin, sometimes several times over the average market value, due to their rarity and demand. The amount of the blue stain gradually decreases as you go down the tiers, and the least amount is present on patterns from Tier 4, which are equivalent in value to the average market value at which the skin sells for.
The Tier 1 patterns represent the highest value MAC-10 Case Hardened patterns, featuring the most blue stain coverage and commanding premium prices due to their exceptional rarity and visual appeal.
Enter your MAC-10 Case Hardened inspect URL to check if you have a Blue Gem pattern and its tier:
5 patterns - Highest amount of blue stain

Tier 1 patterns have the highest amount of the Blue stain from the Case Hardened finish, and thus generate the highest amounts of overpay for the skin, sometimes several times over the average market value, due to their rarity and demand.
14 patterns - Great blue stain coverage

These patterns have great blue stain coverage and still command significant overpay over market value. They offer excellent value for collectors seeking Blue Gem patterns at more accessible prices.
103 patterns - Good blue stain coverage

The amount of the blue stain gradually decreases as you go down the tiers. These patterns have good blue coverage and still qualify as Blue Gem patterns, providing solid value for collectors.
149 patterns - Equivalent to average market value

The least amount of blue stain is present on patterns from Tier 4, which are equivalent in value to the average market value at which the skin sells for. These provide entry-level access to Blue Gem classification.
Tier 1 patterns generate the highest amounts of overpay, sometimes several times over the average market value.
The tier system is numbered 1-4 in order of value, with 1 being the highest and 4 lowest.
Pattern seeds are variations in the Case Hardened pattern transferred onto the weapon from a color sheet.
The amount of blue stain gradually decreases as you go down the tiers due to rarity and demand factors.
Lower float values are crucial for Case Hardened patterns as they maintain color vibrancy and pattern clarity.
Browse available MAC-10 Case Hardened skins and find your Blue Gem pattern
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