Haebang Bulsae-10 attachment in MW4
The Haebang Bulsae-10 is a muzzle attachment (“Choke”) that community sites list for one weapon: Rezi 12. CODMunity lists a stat change on 1 of them; the largest is ADS speed +4% on the Rezi 12 (worse). No popular build that CODMunity lists uses it.
Community-reportedwzranked, ggranked, and CODMunity, read . Unverified, not Activision data.
Weapons that can equip the Haebang Bulsae-10
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 |
|---|---|---|---|
| Rezi 12 | Shotgun | ADS speed (small, worse) and ADS out speed (small, worse) |
What the Haebang Bulsae-10 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 | 354 ms | +4% (worse) |
Smaller changes are left out of the table: 1 other stat on the Rezi 12.
How it ranks among muzzle attachments
Its largest change on each weapon, compared with the other muzzle attachments the source lists that stat for.
- Rezi 12: its small ADS speed change (worse) is the best of 6 muzzle attachments.
Pros and cons the sources list
None reported, which is different from having none.
Popular builds that use the Haebang Bulsae-10
No popular build listed by CODMunity uses the Haebang Bulsae-10. That says nothing about how it performs; most listed attachments are in no popular build.
Frequently asked questions
What does the Haebang Bulsae-10 do in MW4?
CODMunity lists 2 stat changes for it across 1 weapon: 0 better and 2 worse. The largest is ADS speed +4% on the Rezi 12 (worse).
Which weapons can use the Haebang Bulsae-10?
Community sites list Rezi 12. Activision has not published a compatibility list.
Is the Haebang Bulsae-10 in a popular build?
No. None of the popular builds that CODMunity lists uses it.