B16 Helical attachment in MW4
The B16 Helical is a muzzle attachment (“Breacher”) that community sites list for 5 weapons: Han 86, M4, Hyeon Burst, Axion, and FiNN LMG. CODMunity lists a stat change on 3 of them; the largest is damage range +2% on the M4 (better). No popular build that CODMunity lists uses it.
Community-reportedggranked and CODMunity, read . Unverified, not Activision data.
Weapons that can equip the B16 Helical
Activision publishes no compatibility list; 2 community sources report these 5 weapons. No weapon level is reported.
| Weapon | Class | Weapon level | Stats with a listed change |
|---|---|---|---|
| Han 86 | Assault Rifle | No change listed | |
| M4 | Assault Rifle | damage range (minor, better) | |
| Hyeon Burst | Assault Rifle | damage range (minor, better) | |
| Axion | Assault Rifle | damage range (minor, better) | |
| FiNN LMG | LMG | No change listed |
What the B16 Helical changes
Percent changes are relative to the base value with nothing attached (CODMunity, read November 4, 2026).
| Weapon | Stat | Base | With it | Change |
|---|---|---|---|---|
| M4 | Damage range | 100% | 102% | +2% (better) |
| Hyeon Burst | Damage range | 100% | 102% | +2% (better) |
| Axion | Damage range | 100% | 102% | +2% (better) |
CODMunity lists no stat change for the Han 86 and FiNN LMG.
Changes across weapons
The stats it changes on 3 weapons, with the lowest and highest change.
| Stat | Weapons | Lowest change | Highest change | Verdicts |
|---|---|---|---|---|
| Damage range | 3 | +2% | +2% | 3 better, 0 worse |
How it ranks among muzzle attachments
Its largest change on each weapon, compared with the other muzzle attachments the source lists that stat for.
- M4: its minor damage range change (better) is in the lower half of 3 muzzle attachments.
- Hyeon Burst: its minor damage range change (better) is in the lower half of 3 muzzle attachments.
- Axion: its minor damage range change (better) is in the lower half of 3 muzzle attachments.
Pros and cons the sources list
None reported, which is different from having none.
Popular builds that use the B16 Helical
No popular build listed by CODMunity uses the B16 Helical. That says nothing about how it performs; most listed attachments are in no popular build.
Frequently asked questions
What does the B16 Helical do in MW4?
CODMunity lists 3 stat changes for it across 3 weapons: 3 better and 0 worse. The largest is damage range +2% on the M4 (better).
Which weapons can use the B16 Helical?
Community sites list Han 86, M4, Hyeon Burst, Axion, and FiNN LMG. Activision has not published a compatibility list.
Is the B16 Helical in a popular build?
No. None of the popular builds that CODMunity lists uses it.