Bruen R12-SH attachment in MW4
The Bruen R12-SH is a rear grip attachment (“Tactical Grip”) that community sites list for one weapon: Rezi 12. CODMunity lists a stat change on 1 of them; the largest is ADS speed −5% on the Rezi 12 (better). No popular build that CODMunity lists uses it.
Community-reportedggranked and CODMunity, read . Unverified, not Activision data.
Weapons that can equip the Bruen R12-SH
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 |
|---|---|---|---|
| Rezi 12 | Shotgun | ADS speed (small, better), ADS out speed (small, better), vertical recoil (small, worse), horizontal recoil (small, worse), vertical gun kick (small, worse), and horizontal gun kick (small, worse) |
What the Bruen R12-SH changes
Percent changes are relative to the base value with nothing attached (CODMunity, read November 4, 2026).
| Weapon | Stat | Base | With it | Change |
|---|---|---|---|---|
| Rezi 12 | ADS speed | 340 ms | 323 ms | −5% (better) |
| Vertical recoil | 98.5 | 101.5 | +3% (worse) | |
| Horizontal recoil | 17.4 | 17.9 | +3% (worse) |
Smaller changes are left out of the table: 3 other stats on the Rezi 12.
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.
- Rezi 12: its small ADS speed change (better) is in the lower half of 3 rear grip attachments.
Pros and cons the sources list
None reported, which is different from having none.
Popular builds that use the Bruen R12-SH
No popular build listed by CODMunity uses the Bruen R12-SH. That says nothing about how it performs; most listed attachments are in no popular build.
Frequently asked questions
What does the Bruen R12-SH do in MW4?
CODMunity lists 6 stat changes for it across 1 weapon: 2 better and 4 worse. The largest is ADS speed −5% on the Rezi 12 (better).
Which weapons can use the Bruen R12-SH?
Community sites list Rezi 12. Activision has not published a compatibility list.
Is the Bruen R12-SH in a popular build?
No. None of the popular builds that CODMunity lists uses it.