Bruen Mod3 attachment in MW4
The Bruen Mod3 is a rear grip attachment (“Assault Grip”) that community sites list for one weapon: ISO Nightshade. CODMunity lists a stat change on 1 of them; the largest is sprint to fire speed +7% on the ISO Nightshade (worse). No popular build that CODMunity lists uses it.
Community-reportedDMZ Radar, ggranked, and CODMunity, read . Unverified, not Activision data.
Weapons that can equip the Bruen Mod3
Activision publishes no compatibility list; 3 community sources report this weapon. No weapon level is reported.
| Weapon | Class | Weapon level | Stats with a listed change |
|---|---|---|---|
| ISO Nightshade | SMG | sprint to fire speed (small, worse), 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) |
What the Bruen Mod3 changes
Percent changes are relative to the base value with nothing attached (CODMunity, read November 4, 2026).
| Weapon | Stat | Base | With it | Change |
|---|---|---|---|---|
| ISO Nightshade | Sprint to fire speed | 110 ms | 118 ms | +7% (worse) |
| Vertical recoil | 40.9 | 38.4 | −6% (better) | |
| Horizontal recoil | 13.3 | 12.5 | −6% (better) | |
| ADS speed | 240 ms | 252 ms | +5% (worse) |
Smaller changes are left out of the table: 3 other stats on the ISO Nightshade.
How it ranks among rear grip attachments
Its largest change on each weapon, compared with the other rear grip attachments the source lists that stat for.
- ISO Nightshade: its small sprint to fire speed change (worse) is the only one listed.
Pros and cons the sources list
None reported, which is different from having none.
Popular builds that use the Bruen Mod3
No popular build listed by CODMunity uses the Bruen Mod3. That says nothing about how it performs; most listed attachments are in no popular build.
Frequently asked questions
What does the Bruen Mod3 do in MW4?
CODMunity lists 7 stat changes for it across 1 weapon: 4 better and 3 worse. The largest is sprint to fire speed +7% on the ISO Nightshade (worse).
Which weapons can use the Bruen Mod3?
Community sites list ISO Nightshade. Activision has not published a compatibility list.
Is the Bruen Mod3 in a popular build?
No. None of the popular builds that CODMunity lists uses it.