U12G Match 9 attachment in MW4
The U12G Match 9 is a bolt attachment (“Heavy Bolt”) that community sites list for one weapon: Rezi 12. CODMunity lists a stat change on 1 of them; the largest is fire rate −14% on the Rezi 12 (worse). No popular build that CODMunity lists uses it.
Community-reportedggranked and CODMunity, read . Unverified, not Activision data.
Weapons that can equip the U12G Match 9
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 | fire rate (moderate, worse) |
What the U12G Match 9 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 | Fire rate | 150 rpm | 129 rpm | −14% (worse) |
How it ranks among bolt attachments
Its largest change on each weapon, compared with the other bolt attachments the source lists that stat for.
- Rezi 12: its moderate fire rate 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 U12G Match 9
No popular build listed by CODMunity uses the U12G Match 9. That says nothing about how it performs; most listed attachments are in no popular build.
Frequently asked questions
What does the U12G Match 9 do in MW4?
CODMunity lists 1 stat change for it across 1 weapon: 0 better and 1 worse. The largest is fire rate −14% on the Rezi 12 (worse).
Which weapons can use the U12G Match 9?
Community sites list Rezi 12. Activision has not published a compatibility list.
Is the U12G Match 9 in a popular build?
No. None of the popular builds that CODMunity lists uses it.