| 501 |  KS-12 Komrad shotgun rifle | master | 3.71 kg | — | 100% |
| 502 |  KS-1 assault rifle | master | 2.95 kg | — | 100% |
| 503 |  Kosoi MBC barrel | stalker | 0.019 kg | — | — |
| 504 |  Kochetov Mount for Patriot with Picatinny Rail forend | default | 0.205 kg | — | — |
| 505 |  Kobra Extended Magazine mag | veteran | 0.28 kg | — | — |
| 506 |  Kobra Collimator Sight collimator sights | newbie | 0.38 kg | — | — |
| 507 |  Kobra Collimator Sight collimator sights | newbie | 0.41 kg | — | — |
| 508 |  Knight Nord Silencer barrel | master | 0.368 kg | — | — |
| 509 |  Kleshch-2PS Laser Target Designator other | stalker | 0.14 kg | — | — |
| 510 |  Kleptomaniac Suit combined | newbie | 4.3 kg | — | 100% |
| 511 |  Khaki Weapon Paint other | newbie | — | — | — |
| 512 |  Khaki Armor Paint other | newbie | — | — | — |
| 513 |  Key Charm accessory | default | — | — | — |
| 514 |  Keeno Arms SHREWD 7.62x51 barrel | stalker | 0.2 kg | — | — |
| 515 |  Kbk wz. 88 Tantal assault rifle | stalker | 3.1 kg | — | 100% |
| 516 |  Kazakhstan Digital Camouflage other | newbie | — | — | — |
| 517 |  Kazakhstan Digital Camouflage other | newbie | — | — | — |
| 518 |  KAC Vertical Foregrip Tactical Grip handgrips | stalker | 0.08 kg | — | — |
| 519 |  KAC Style QD Silencer barrel | veteran | 0.43 kg | — | — |
| 520 |  K2C1 assault rifle | master | 3.43 kg | — | 100% |
| 521 |  K2 assault rifle | veteran | 3.33 kg | — | 100% |
| 522 |  K15 machine gun | master | 5.25 kg | — | 100% |
| 523 |  Jmac Customs RDC 4C 7.62 barrel | veteran | 0.087 kg | — | — |
| 524 |  Jmac Customs RDC 4C 5.45 barrel | veteran | 0.075 kg | — | — |
| 525 |  JD ZIVCAS 2A Exoarmor combined | master | 26 kg | — | 100% |
| 526 |  Jagdtasche backpacks | veteran | 6.3 kg | — | — |
| 527 |  Jaeger Exoarmor combat | veteran | 32 kg | — | 100% |
| 528 |  Jacket with Body Armor combat | default | 4 kg | — | 100% |
| 529 |  Jacket with Body Armor combat | default | 4 kg | — | 100% |
| 530 |  Jacket clothes | default | 1 kg | — | 100% |
| 531 |  IZh-81 shotgun rifle | stalker | 3.3 kg | — | 100% |
| 532 |  IWI Tavor X95 assault rifle | master | 3.8 kg | — | 100% |
| 533 |  IP-4M scientist | default | 3.3 kg | — | 100% |
| 534 |  Investigator Exoarmor combined | master | 24 kg | — | 100% |
| 535 |  Inverter (A) pistol | master | 0.9 kg | — | 100% |
| 536 |  Ingram MAC-10 pistol | stalker | 2.85 kg | — | 100% |
| 537 |  Increasing RIS-Rail forend | stalker | 0.05 kg | — | — |
| 538 |  Improved Hazmat Suit scientist | newbie | 5 kg | — | 100% |
| 539 |  IMI Uzi submachine gun | newbie | 3.75 kg | — | 100% |
| 540 |  IMI Mini Uzi submachine gun | stalker | 2.8 kg | — | 100% |
| 541 |  IMI Micro Uzi pistol | stalker | 2.1 kg | — | 100% |
| 542 |  Hybrid 46 barrel | master | 0.49 kg | — | — |
| 543 |  Hunter's Cloak combat | default | 3 kg | — | 100% |
| 544 |  HQ ISSUE Mini Laser Sight (Green Laser) other | newbie | 0.085 kg | — | — |
| 545 |  HQ ISSUE Low-Profile Laser Sight (Red Laser) other | stalker | 0.042 kg | — | — |
| 546 |  Hounds Exoarmor combined | master | 24 kg | — | 100% |
| 547 |  Houndmaster Jumpsuit combat | newbie | 8 kg | — | 100% |
| 548 |  Hoplite Armored Suit combat | veteran | 10 kg | — | 100% |
| 549 |  Hooligan Suit clothes | default | 1.5 kg | — | 100% |
| 550 |  HK417 (A) assault rifle | master | 4.1 kg | — | 100% |
