Game: Modern Warfare 4MW4

17 Round Mag attachment in MW4

Data updated ยท Latest official patch:

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-reportedggranked and CODMunity, read . 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
WeaponClassWeapon levelStats with a listed change
SANG 9mmPistolnot reportedmagazine 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
WeaponStatBaseWith itChange
SANG 9mmMagazine size13 rounds17 rounds+31% (better)
Reload time2500 ms2675 ms+7% (worse)
ADS speed170 ms173 ms+2% (worse)
Movement speed5.05 m/s5.00 m/sโˆ’1% (worse)
ADS movement speed3.73 m/s3.69 m/sโˆ’1% (worse)
Sprint speed6.62 m/s6.55 m/sโˆ’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.

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
WeaponMode and styleTierOther attachmentsBuilder
SANG 9mmMultiplayer, Versatile with Apex AttachmentVery goodOptic: Z-Dot 9, Muzzle: Expedite Drill L4, Barrel: TT CP-9mm Barrel, and Trigger Action: SANG HighmatchOpen in the builder: SANG 9mm, Versatile

Builds are community-reported and unverified.

Frequently asked questions

What does the 17 Round Mag do in MW4?

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).

Which weapons can use the 17 Round Mag?

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

Is the 17 Round Mag in a popular build?

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

Sources: ggranked (read October 28, 2026); CODMunity (read October 28, 2026). Updated .