30 Round Belt attachment in MW4
The 30 Round Belt is a magazine attachment that community sites list for one weapon: APOC-338. CODMunity lists a stat change on 1 of them; the largest is magazine size −40% on the APOC-338 (worse). No popular build that CODMunity lists uses it.
Community-reportedggranked and CODMunity, read . Unverified, not Activision data.
Weapons that can equip the 30 Round Belt
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 |
|---|---|---|---|
| APOC-338 | LMG | magazine size (large, worse), reload time (large, better), ADS movement speed (moderate, better), sprint to fire speed (moderate, better), ADS speed (small, better), ADS out speed (small, better), movement speed (minor, better), and sprint speed (minor, better), and 3 more |
What the 30 Round Belt changes
Percent changes are relative to the base value with nothing attached (CODMunity, read November 4, 2026).
| Weapon | Stat | Base | With it | Change |
|---|---|---|---|---|
| APOC-338 | Magazine size | 50 rounds | 30 rounds | −40% (worse) |
| Reload time | 7100 ms | 5112 ms | −28% (better) | |
| ADS movement speed | 1.51 m/s | 1.65 m/s | +9% (better) | |
| Sprint to fire speed | 250 ms | 228 ms | −9% (better) | |
| ADS speed | 510 ms | 485 ms | −5% (better) | |
| Movement speed | 4.05 m/s | 4.09 m/s | +1% (better) | |
| Sprint speed | 5.57 m/s | 5.63 m/s | +1% (better) |
Smaller changes are left out of the table: 4 other stats on the APOC-338.
How it ranks among magazine attachments
Its largest change on each weapon, compared with the other magazine attachments the source lists that stat for.
- APOC-338: its large magazine size 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 30 Round Belt
No popular build listed by CODMunity uses the 30 Round Belt. That says nothing about how it performs; most listed attachments are in no popular build.
Frequently asked questions
What does the 30 Round Belt do in MW4?
CODMunity lists 11 stat changes for it across 1 weapon: 10 better and 1 worse. The largest is magazine size −40% on the APOC-338 (worse).
Which weapons can use the 30 Round Belt?
Community sites list APOC-338. Activision has not published a compatibility list.
Is the 30 Round Belt in a popular build?
No. None of the popular builds that CODMunity lists uses it.