# 17 Round Mag attachment in MW4

URL: https://codloadout.gitlab.io/mw4/attachments/17-round-mag/
Updated: 2026-11-04

Magazine

The 17 Round Mag is a magazine attachment that community sites list for one weapon: SANG 9mm. CODMunity lists a stat change on 1 of them; the largest is magazine size +31% on the SANG 9mm (better). It is in 1 popular build that CODMunity lists.

Community-reported ggranked and CODMunity, read October 28, 2026. Unverified, not Activision data.

## Weapons that can equip the 17 Round Mag

Activision publishes no compatibility list; 2 community sources report this weapon. No weapon level is reported.

*Weapons that can equip the 17 Round Mag, with weapon level and the stats the source lists a change for*

| Weapon | Class | Weapon level | Stats with a listed change |
| --- | --- | --- | --- |
| [SANG 9mm](https://codloadout.gitlab.io/mw4/weapons/sang-9mm/) | Pistol | not reported | magazine size (large, better), total rounds (large, better), reload time (small, worse), ADS speed (minor, worse), movement speed (minor, worse), ADS movement speed (minor, worse), sprint speed (minor, worse), and tactical sprint speed (minor, worse), and 5 more |

## What the 17 Round Mag changes

Percent changes are relative to the base value with nothing attached (CODMunity, read November 4, 2026).

*Key stats the 17 Round Mag changes on each weapon, from the base value with nothing attached*

| Weapon | Stat | Base | With it | Change |
| --- | --- | --- | --- | --- |
| [SANG 9mm](https://codloadout.gitlab.io/mw4/weapons/sang-9mm/) | Magazine size | 13 rounds | 17 rounds | +31% (better) |
| Reload time | 2500 ms | 2675 ms | +7% (worse) |  |
| ADS speed | 170 ms | 173 ms | +2% (worse) |  |
| Movement speed | 5.05 m/s | 5.00 m/s | −1% (worse) |  |
| ADS movement speed | 3.73 m/s | 3.69 m/s | −1% (worse) |  |
| Sprint speed | 6.62 m/s | 6.55 m/s | −1% (worse) |  |

Smaller changes are left out of the table: 7 other stats on the SANG 9mm.

## How it ranks among magazine attachments

Its largest change on each weapon, compared with the other magazine attachments the source lists that stat for.

- SANG 9mm: 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 17 Round Mag

CODMunity lists 1 popular build that use it, all for Multiplayer. The styles are Versatile. The same builds also use optic, muzzle, barrel, and trigger action attachments.

*Popular builds that use the 17 Round Mag*

| Weapon | Mode and style | Tier | Other attachments | Builder |
| --- | --- | --- | --- | --- |
| [SANG 9mm](https://codloadout.gitlab.io/mw4/weapons/sang-9mm/) | Multiplayer, Versatile with Apex Attachment | Very good | Optic: Z-Dot 9, Muzzle: Expedite Drill L4, Barrel: TT CP-9mm Barrel, and Trigger Action: SANG Highmatch | [Open in the builder: SANG 9mm, Versatile](https://codloadout.gitlab.io/mw4/?w=m4&s=sang-9mm&sa=optic,muzzle,barrel,magazine,trigger-action&sx=1&ns=optic:Z-Dot%209&ns=muzzle:Expedite%20Drill%20L4&ns=barrel:TT%20CP-9mm%20Barrel&ns=magazine:17%20Round%20Mag&ns=trigger-action:SANG%20Highmatch) |

Builds are community-reported and unverified.

- [All SANG 9mm builds](https://codloadout.gitlab.io/mw4/popular-builds/#mp-sang-9mm), [Best SANG 9mm build](https://codloadout.gitlab.io/mw4/weapons/sang-9mm/best-build/)

## Frequently asked questions

**Q: What does the 17 Round Mag do in MW4?**

A: CODMunity lists 13 stat changes for it across 1 weapon: 2 better and 11 worse. The largest is magazine size +31% on the SANG 9mm (better).

**Q: Which weapons can use the 17 Round Mag?**

A: Community sites list SANG 9mm. Activision has not published a compatibility list.

**Q: Is the 17 Round Mag in a popular build?**

A: Yes. CODMunity lists it in 1 popular build, on SANG 9mm.

Sources: [ggranked](https://ggranked.com/games/call-of-duty-modern-warfare-4/meta/weapons) (read October 28, 2026); [CODMunity](https://codmunity.gg/mw4) (read October 28, 2026). Updated November 4, 2026.