EXP Umbral Pro 7 attachment in MW4
The EXP Umbral Pro 7 is a stock attachment (“Assault Stock”) that community sites list for 2 weapons: Han 86 and M4. CODMunity lists a stat change on 2 of them; the largest is vertical recoil −7% 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 EXP Umbral Pro 7
Activision publishes no compatibility list; 2 community sources report these 2 weapons. No weapon level is reported.
| Weapon | Class | Weapon level | Stats with a listed change |
|---|---|---|---|
| Han 86 | Assault Rifle | vertical recoil (small, better), horizontal recoil (small, better), vertical gun kick (small, better), horizontal gun kick (small, better), ADS speed (small, worse), and ADS out speed (small, worse) | |
| M4 | Assault Rifle | ADS speed (small, worse) and ADS out speed (small, worse) |
What the EXP Umbral Pro 7 changes
Percent changes are relative to the base value with nothing attached (CODMunity, read November 4, 2026).
| Weapon | Stat | Base | With it | Change |
|---|---|---|---|---|
| Han 86 | Vertical recoil | 41.9 | 39.0 | −7% (better) |
| Horizontal recoil | 11.2 | 10.4 | −7% (better) | |
| ADS speed | 250 ms | 265 ms | +6% (worse) | |
| M4 | ADS speed | 240 ms | 254 ms | +6% (worse) |
Smaller changes are left out of the table: 3 other stats on the Han 86 and 1 other stat on the M4.
Changes across weapons
The stats it changes on 2 weapons, with the lowest and highest change.
| Stat | Weapons | Lowest change | Highest change | Verdicts |
|---|---|---|---|---|
| ADS speed | 2 | +6% | +6% | 0 better, 2 worse |
| Horizontal recoil | 1 | −7% | −7% | 1 better, 0 worse |
| Vertical recoil | 1 | −7% | −7% | 1 better, 0 worse |
| ADS out speed | 2 | +6% | +6% | 0 better, 2 worse |
| Horizontal gun kick | 1 | −7% | −7% | 1 better, 0 worse |
| Vertical gun kick | 1 | −7% | −7% | 1 better, 0 worse |
How it ranks among stock attachments
Its largest change on each weapon, compared with the other stock attachments the source lists that stat for.
- Han 86: its small vertical recoil change (better) is the only one listed.
- M4: its small ADS speed change (worse) is in the bottom quarter of 6 stock attachments.
Pros and cons the sources list
None reported, which is different from having none.
Popular builds that use the EXP Umbral Pro 7
No popular build listed by CODMunity uses the EXP Umbral Pro 7. That says nothing about how it performs; most listed attachments are in no popular build.
Frequently asked questions
What does the EXP Umbral Pro 7 do in MW4?
CODMunity lists 8 stat changes for it across 2 weapons: 4 better and 4 worse. The largest is vertical recoil −7% on the Han 86 (better).
Which weapons can use the EXP Umbral Pro 7?
Community sites list Han 86 and M4. Activision has not published a compatibility list.
Is the EXP Umbral Pro 7 in a popular build?
No. None of the popular builds that CODMunity lists uses it.