| 551 |  Kleptomaniac Suit combined | newbie | 4.3 kg | — | 100% |
| 552 |  Kleshch-2PS Laser Target Designator other | stalker | 0.14 kg | — | — |
| 553 |  Knight Nord Silencer barrel | master | 0.368 kg | — | — |
| 554 |  Kobra Collimator Sight collimator sights | newbie | 0.38 kg | — | — |
| 555 |  Kobra Collimator Sight collimator sights | newbie | 0.41 kg | — | — |
| 556 |  Kobra Extended Magazine mag | veteran | 0.28 kg | — | — |
| 557 |  Kochetov Mount for Patriot with Picatinny Rail forend | default | 0.205 kg | — | — |
| 558 |  Kosoi MBC barrel | stalker | 0.019 kg | — | — |
| 559 |  KS-1 assault rifle | master | 2.95 kg | — | 100% |
| 560 |  KS-12 Komrad shotgun rifle | master | 3.71 kg | — | 100% |
| 561 |  KS-23 shotgun rifle | master | 4.29 kg | — | 100% |
| 562 |  L85A1 assault rifle | veteran | 3.88 kg | — | 100% |
| 563 |  L86A1 machine gun | veteran | 6.58 kg | — | 100% |
| 564 |  L96A1 sniper rifle | master | 6.5 kg | — | 100% |
| 565 |  Lab First-Aid Kit medicine | stalker | 0.2 kg | — | — |
| 566 |  Lantac BMD Flash Hider barrel | master | 0.176 kg | — | — |
| 567 |  Lantac Dragon 7.62 Flash Hider barrel | master | 0.09 kg | — | — |
| 568 |  LaRue Collimator Sight collimator sights | newbie | 0.16 kg | — | — |
| 569 |  Legionnaire Heavy Armored Suit combat | veteran | 11 kg | — | 100% |
| 570 |  Leupold Optical Sight collimator sights | newbie | 0.42 kg | — | — |
| 571 |  Light Blue Armor Paint other | newbie | — | — | — |
| 572 |  Light Blue Weapon Paint other | newbie | — | — | — |
| 573 |  Limbo skins | master | — | — | — |
| 574 |  LoneWolf Flash Hider barrel | stalker | 0.031 kg | — | — |
| 575 |  Longevity scientist | master | 12 kg | — | 100% |
| 576 |  LR-300 assault rifle | master | 3.1 kg | — | 100% |
| 577 | LWRC M6 assault rifle | veteran | 2.9 kg | — | 100% |
| 578 |  Lynx Armored Suit combat | stalker | 9 kg | — | 100% |
| 579 |  M1014 shotgun rifle | veteran | 3.8 kg | — | 100% |
| 580 |  M1014 Breacher shotgun rifle | veteran | 3.18 kg | — | 100% |
| 581 |  M16A1 assault rifle | default | 3.25 kg | — | 100% |
| 582 |  M16A2 assault rifle | newbie | 3.25 kg | — | 100% |
| 583 |  M16A3 assault rifle | newbie | 3.52 kg | — | 100% |
| 584 |  M1A sniper rifle | veteran | 3.52 kg | — | 100% |
| 585 |  M1A FA sniper rifle | veteran | 4.42 kg | — | 100% |
| 586 |  M1A Handguard with Picatinny Rail forend | stalker | 0.12 kg | — | — |
| 587 |  M1A Stock with Picatinny Rails forend | stalker | 0.96 kg | — | — |
| 588 |  M203 other | veteran | 1.36 kg | — | — |
| 589 |  M249 SAW machine gun | veteran | 6.85 kg | — | 100% |
| 590 |  M4 LB assault rifle | veteran | 2.92 kg | — | 100% |
| 591 |  M40A5 sniper rifle | veteran | 4.08 kg | — | 100% |
| 592 |  M4A1 assault rifle | stalker | 2.83 kg | — | 100% |
| 593 |  M60E4 machine gun | master | 8.5 kg | — | 100% |
| 594 |  M90 Camouflage other | newbie | — | — | — |
| 595 |  M90 Camouflage other | newbie | — | — | — |
| 596 |  M90 Desert Camouflage other | newbie | — | — | — |
| 597 |  M90 Desert Camouflage other | newbie | — | — | — |
| 598 |  M90 Night Camouflage other | newbie | — | — | — |
| 599 |  M90 Night Camouflage other | newbie | — | — | — |
| 600 |  M90 Threat Camouflage other | stalker | — | — | — |
