AR · Modern Warfare 4 Meta
M4 Best Loadout & Attachments
AThe current best M4 build for Modern Warfare 4: full attachment list and tier rating, sourced from Beta play and refreshed at full launch.
Updated 2026-08-23
M4 — All-round
Updated 2026-08-23
| Slot | Attachment |
|---|---|
| Optic | Slimline Elite Mini Reflex |
| Muzzle | FSS IS300 |
| Barrel | FT Cannonade 7" |
| Magazine | 45 Round Mag |
| Ammunition | 5.56 NATO Armor Piercing |
M4 loadout FAQ
What is the best M4 loadout in Modern Warfare 4?
The current best M4 build (All-round) runs: Slimline Elite Mini Reflex (Optic), FSS IS300 (Muzzle), FT Cannonade 7" (Barrel), 45 Round Mag (Magazine), 5.56 NATO Armor Piercing (Ammunition). The full table above includes every slot and unlock level.
What tier is the M4 in the current Modern Warfare 4 meta?
The M4 currently sits in A Tier — Meta of our Modern Warfare 4 tier list, which is refreshed after every balance patch.
When was this M4 loadout last updated?
This build was last verified on 2026-08-23. We re-check the entire Modern Warfare 4 tier list after every balance patch.