The 556 Icarus is an LMG available in Call of Duty: Modern Warfare 3 (2023).
Attachments in Modern Warfare 3 will allow you to transform any weapon into something that better fits your playstyle. You’ll be able to take advantage of this feature through the gunsmith. After testing numerous combinations, these are the best attachments to use on the 556 Icarus:
For maximum impact at longer distances, the FTAC Coldforge 16" Barrel minimises any damage drop-off which is ideal for mid and long-range combat.
To tame the 556 Icarus' tricky recoil, the trio of the Demo Precision Elite Factory, Commando Foregrip, and Sakin ZX Grip reduce the kick enough so it's much easier to control during the heat of battle.