5.56 NATO Armor Piercing attachment in MW4
The 5.56 NATO Armor Piercing is a ammunition attachment that community sites list for 3 weapons: Han 86, M4, and FiNN LMG. CODMunity lists a stat change on 3 of them; the largest is bullet penetration +50% on the Han 86 (better). No popular build that CODMunity lists uses it.
Community-reportedggranked and CODMunity, read . Unverified, not Activision data.
Weapons that can equip the 5.56 NATO Armor Piercing
Activision publishes no compatibility list; 2 community sources report these 3 weapons. No weapon level is reported.
| Weapon | Class | Weapon level | Stats with a listed change |
|---|---|---|---|
| Han 86 | Assault Rifle | bullet penetration (large, better) | |
| M4 | Assault Rifle | bullet penetration (large, better) | |
| FiNN LMG | LMG | bullet penetration (small, worse) |
What the 5.56 NATO Armor Piercing changes
Percent changes are relative to the base value with nothing attached (CODMunity, read November 4, 2026).
Changes across weapons
The stats it changes on 3 weapons, with the lowest and highest change.
| Stat | Weapons | Lowest change | Highest change | Verdicts |
|---|---|---|---|---|
| Bullet penetration | 3 | −7% | +50% | 2 better, 1 worse |
How it ranks among ammunition attachments
Its largest change on each weapon, compared with the other ammunition attachments the source lists that stat for.
- Han 86: its large bullet penetration change (better) is the best of 3 ammunition attachments.
- M4: its large bullet penetration change (better) is the best of 3 ammunition attachments.
- FiNN LMG: its small bullet penetration change (worse) is the best of 3 ammunition attachments.
Pros and cons the sources list
None reported, which is different from having none.
Popular builds that use the 5.56 NATO Armor Piercing
No popular build listed by CODMunity uses the 5.56 NATO Armor Piercing. That says nothing about how it performs; most listed attachments are in no popular build.
Frequently asked questions
What does the 5.56 NATO Armor Piercing do in MW4?
CODMunity lists 3 stat changes for it across 3 weapons: 2 better and 1 worse. The largest is bullet penetration +50% on the Han 86 (better).
Which weapons can use the 5.56 NATO Armor Piercing?
Community sites list Han 86, M4, and FiNN LMG. Activision has not published a compatibility list.
Is the 5.56 NATO Armor Piercing in a popular build?
No. None of the popular builds that CODMunity lists uses it.