8.6mm Blackout Armor Piercing attachment in MW4
The 8.6mm Blackout Armor Piercing is a ammunition attachment that community sites list for one weapon: Oris 8.6. CODMunity lists a stat change on 1 of them; the largest is bullet penetration +8% on the Oris 8.6 (better). No popular build that CODMunity lists uses it.
Community-reportedggranked and CODMunity, read . Unverified, not Activision data.
Weapons that can equip the 8.6mm Blackout Armor Piercing
Activision publishes no compatibility list; 2 community sources report this weapon. No weapon level is reported.
| Weapon | Class | Weapon level | Stats with a listed change |
|---|---|---|---|
| Oris 8.6 | Marksman Rifle | bullet penetration (moderate, better) |
What the 8.6mm Blackout Armor Piercing changes
Percent changes are relative to the base value with nothing attached (CODMunity, read November 4, 2026).
| Weapon | Stat | Base | With it | Change |
|---|---|---|---|---|
| Oris 8.6 | Bullet penetration | 20.0 in | 21.6 in | +8% (better) |
How it ranks among ammunition attachments
Its largest change on each weapon, compared with the other ammunition attachments the source lists that stat for.
- Oris 8.6: its moderate bullet penetration change (better) is the best of 2 ammunition attachments.
Pros and cons the sources list
None reported, which is different from having none.
Popular builds that use the 8.6mm Blackout Armor Piercing
No popular build listed by CODMunity uses the 8.6mm Blackout Armor Piercing. That says nothing about how it performs; most listed attachments are in no popular build.
Frequently asked questions
What does the 8.6mm Blackout Armor Piercing do in MW4?
CODMunity lists 1 stat change for it across 1 weapon: 1 better and 0 worse. The largest is bullet penetration +8% on the Oris 8.6 (better).
Which weapons can use the 8.6mm Blackout Armor Piercing?
Community sites list Oris 8.6. Activision has not published a compatibility list.
Is the 8.6mm Blackout Armor Piercing in a popular build?
No. None of the popular builds that CODMunity lists uses it.