Modern Warfare 3: How to get KR Intlas LSJ-3 optics

The KR Intlas LSJ-3 optical sight is a new optical sight with a built-in laser sight and 4x magnification. It improves aiming stability in addition to aiming speed.

Modern Warfare 3 players can obtain the KR Intlas LSJ-3 Optics  by completing any five Week 4 Weekly Challenges . These tasks can be found in the main menu by going to the “Challenges” section in the upper right corner of the screen.

A total of 20 challenges over 4 weeks  across Multiplayer, Zombies and Warzone Battle Royale modes. Here are all the Season 1 Week 4 challenges you can complete:

MULTIPLAYER MODEZOMBIECOMBAT ZONE
Get 10 ranged kills with a recommended weaponDestroy five vehicles using the recommended weaponIn the Urzikstan Warzone, open 20 Normal or Legendary Chests in the Northwest Region
Get 40 Operator kills with the recommended Assault RifleGet 300 critical kills with recommended LMGIn the Urzikstan Warzone, open 20 Common or Legendary Chests in the Southern Region
Get 30 Operator kills while aiming with the recommended shotgunGet 150 frost damage kills with the recommended combat rifleComplete 15 contracts in Warzone
Get 20 operator kills while holding your breath with the recommended sniperGet 200 kills with the recommended dose of LMG while Deadshot Daiquiri is activeIn the Urzikstan Warzone, open 20 Normal or Legendary chests in the Eastern Region
Get 30 Hipfire Operator kills with the recommended Assault RifleGet 100 kills shortly after reloading the recommended Battle RifleIn the Urzikstan Warzone, open 20 Common or Legendary chests in the Central Region
Get 30 operator kills with an extended scope that matches the recommended assault rifleGet 300 kills in full auto mode with the recommended battle rifleIn a Warzone, get 40 kills on Operators or Kill Assists with a recommended weapon.
Get 30 operator kills with scopes mounted on the recommended Marksman rifleGet 300 kills with a recommended LMG
  • pros
    • Magnification +4.0x
    • + Aiming stability
    • + Aiming speed reduced
  • Minuses
    • – The laser is visible to enemies
    • – Very small sniper shine
    • -The laser is visible when aiming

Weapons compatible with the KR Intlas LSJ-3

Weapons that the KR Intlas LSJ-3 can use
VEL 46MX9Lachmann Sub
Vaznev-9KMinibakPDSW 528
Fennec 45ISO 45Lachmann Shroud
ISO 9mmKastov-74uKastov 545
Kastov 762M4M16
TAQ-56STB 556ISO Hemlock
ChimeraM13BTempus Razorback
M13CFR AdvancerTR-76 Geist
Lachmann-556Lockwood 300Expedite 12
Bryson 890Bryson 800KV Broadside
MX GuardianSO-14TAQ-V
FTAC ReconLachmann-762Cronen Squall
SAKIN MG38HCR 56556 Icarus
RAAL MGR.P.K.RAPP H
EBR-14SP-R 208Lockwood Mk2
LM-STAQ-MTempus Torrent
CrossbowSA-B 50Signal 50
MCPR-300LA-B 330SP-X 80
Carrack .300FJX ImperiumVictus XMR
MCWMTZ-556SVA 545
Rival-9StrikerAMR9
Bas-BMTZ-762KV Inhibitor
LongbowHolger 26Pulemyot 762
Lockwood 680RiveterMCW 6.8
MTZ InterceptorBas-PFR 5.56
Bruen Mk9TAQ EradicatorHolger 556
KVD EnforcerWSP SwarmStriker 9
DG-56SidewinderWSP-9
HaymakerDG-58LSWDM56
KATT-AMRXRK StalkerRAM-7