ZLR Mag-Z 9" attachment in MW4
The ZLR Mag-Z 9" is a barrel attachment (“Short Barrel”) that community sites list for one weapon: ISO Nightshade. CODMunity lists a stat change on 1 of them; the largest is damage range −13% on the ISO Nightshade (worse). No popular build that CODMunity lists uses it.
Community-reportedggranked and CODMunity, read . Unverified, not Activision data.
Weapons that can equip the ZLR Mag-Z 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 |
|---|---|---|---|
| ISO Nightshade | SMG | damage range (moderate, worse), bullet velocity (moderate, worse), vertical recoil (moderate, worse), horizontal recoil (moderate, worse), vertical gun kick (moderate, worse), horizontal gun kick (moderate, worse), ADS idle sway (moderate, better), and hip idle sway (moderate, better), and 11 more |
What the ZLR Mag-Z 9" 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 | Damage range | 100% | 87% | −13% (worse) |
| Bullet velocity | 530 m/s | 466 m/s | −12% (worse) | |
| Vertical recoil | 40.9 | 45.0 | +10% (worse) | |
| Horizontal recoil | 13.3 | 14.6 | +10% (worse) | |
| ADS speed | 240 ms | 218 ms | −9% (better) | |
| Sprint to fire speed | 110 ms | 101 ms | −8% (better) | |
| Movement speed | 4.80 m/s | 5.04 m/s | +5% (better) | |
| ADS movement speed | 3.20 m/s | 3.26 m/s | +2% (better) | |
| Sprint speed | 6.33 m/s | 6.39 m/s | +1% (better) |
Smaller changes are left out of the table: 10 other stats on the ISO Nightshade.
How it ranks among barrel attachments
Its largest change on each weapon, compared with the other barrel attachments the source lists that stat for.
- ISO Nightshade: its moderate damage range change (worse) is the weakest of 2 barrel attachments.
Pros and cons the sources list
None reported, which is different from having none.
Popular builds that use the ZLR Mag-Z 9"
No popular build listed by CODMunity uses the ZLR Mag-Z 9". That says nothing about how it performs; most listed attachments are in no popular build.
Frequently asked questions
What does the ZLR Mag-Z 9" do in MW4?
CODMunity lists 19 stat changes for it across 1 weapon: 13 better and 6 worse. The largest is damage range −13% on the ISO Nightshade (worse).
Which weapons can use the ZLR Mag-Z 9"?
Community sites list ISO Nightshade. Activision has not published a compatibility list.
Is the ZLR Mag-Z 9" in a popular build?
No. None of the popular builds that CODMunity lists uses it.