The Heat Treated strongly resembles Case Hardened, featuring a variety of interesting patterns. Even though only a few hours have passed since the update, collectors are already hunting for the coolest patterns with the highest concentration of blue color.

This Five-SeveN has been painted in a "Case Hardening" style, with the Heat Treated finish. This paintkit style utilizes a chemical process that strengthens the surface of the metal by infusing it with carbon or nitrogen, while keeping the core softer and more ductile for improved durability and wear resistance. The look of the Heat Treated finish is affected by its pattern index.
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The guide has been updated. The pattern for Five-SeveN | Blue Gem has been more accurately evaluated and divided into 5 Ranks. Also, all Blue Gem patterns are listed in descending order. The best patterns for Five-SeveN | Blue Gem are highlighted: #1 904 and #2 148, 704. Rank 1 has the best pattern, without spots. Rank 2 is similar to Rank 1, but has small golden spots. Rank 3 has more noticeable golden spots.

948 567 990 273 308 341 723 790 530 482 792 259 885 321 263 159 48 461 111 297 426 67 843 347

587 772 406 674 781 16 96 695 66 490 324 69 882 370 764 117 651 953 356 880 542 441 856 483 820 386 332

730 673 354 942 998 876 225 537 116 592 696 109 607 168 611 364 846 668 158 365 951 288 900 433

870 946 701 524 402 338 826 202 134 375 525 114 430 752 857 113 120 721 562 591 7 970 316 481 510 44 142 649 898 964

976 725 53 514 878 260 344 61 967 711 999 284 557 643 62 925 503 821 718 0 1 797 521 648 689 19 280 465 489 169 895 266 123 125 539 639

31 33 35 43 72 86 91 99 104 105 133 136 140 146 172 174 176 206 213 215 216 217 242 249 254 265 287 293 310 339 363 437 446 487 509 528 529 535 548 550 572 582 598 605 627 653 666 667 672 683 707 710 713 727 740 766 768 778 795 806 811 842 848 862 896 926 927 938 944 952 969 985 989

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