45 Round Mag 7.62 attachment in MW4
The 45 Round Mag 7.62 is a magazine attachment (“45-round magazine”) that community sites list for one weapon: Kastov 762. CODMunity lists a stat change on 1 of them; the largest is magazine size +50% on the Kastov 762 (better). It is in 1 popular build that CODMunity lists.
Community-reportedDMZ Radar, ggranked, and CODMunity, read . Unverified, not Activision data.
Weapons that can equip the 45 Round Mag 7.62
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 |
|---|---|---|---|
| Kastov 762 | Assault Rifle | magazine size (large, better), total rounds (large, better), reload time (moderate, worse), ADS speed (small, worse), ADS movement speed (small, worse), crouch movement speed (small, worse), firing movement speed (small, worse), and ADS out speed (small, worse), and 5 more |
What the 45 Round Mag 7.62 changes
Percent changes are relative to the base value with nothing attached (CODMunity, read November 4, 2026).
| Weapon | Stat | Base | With it | Change |
|---|---|---|---|---|
| Kastov 762 | Magazine size | 30 rounds | 45 rounds | +50% (better) |
| Reload time | 3467 ms | 3744 ms | +8% (worse) | |
| ADS speed | 280 ms | 291 ms | +4% (worse) | |
| ADS movement speed | 2.34 m/s | 2.27 m/s | −3% (worse) | |
| Sprint speed | 6.05 m/s | 5.93 m/s | −2% (worse) | |
| Movement speed | 4.52 m/s | 4.47 m/s | −1% (worse) |
Smaller changes are left out of the table: 7 other stats on the Kastov 762.
How it ranks among magazine attachments
Its largest change on each weapon, compared with the other magazine attachments the source lists that stat for.
- Kastov 762: its large magazine size change (better) is the weakest of 2 magazine attachments.
Pros and cons the sources list
None reported, which is different from having none.
Popular builds that use the 45 Round Mag 7.62
CODMunity lists 1 popular build that use it, all for Multiplayer. The styles are Mobility. The same builds also use optic, muzzle, stock, and laser attachments.
| Weapon | Mode and style | Tier | Other attachments | Builder |
|---|---|---|---|---|
| Kastov 762 | Multiplayer, Mobility with Apex Attachment | Contender | Optic: Cronen Zero-K, Muzzle: Ivanov QR600, Stock: Kastov Dogfighter 27, and Laser: Schlager VISIV-5 | Open in the builder: Kastov 762, Mobility |
Builds are community-reported and unverified.
Frequently asked questions
What does the 45 Round Mag 7.62 do in MW4?
CODMunity lists 13 stat changes for it across 1 weapon: 2 better and 11 worse. The largest is magazine size +50% on the Kastov 762 (better).
Which weapons can use the 45 Round Mag 7.62?
Community sites list Kastov 762. Activision has not published a compatibility list.
Is the 45 Round Mag 7.62 in a popular build?
Yes. CODMunity lists it in 1 popular build, on Kastov 762.