12 Gauge Slug attachment in MW4
The 12 Gauge Slug is a ammunition attachment that community sites list for 2 weapons: Rezi 12 and Warlord. CODMunity lists a stat change on 2 of them; the largest is vertical recoil −70% on the Warlord (better). It is in 1 popular build that CODMunity lists.
Community-reportedggranked and CODMunity, read . Unverified, not Activision data.
Weapons that can equip the 12 Gauge Slug
Activision publishes no compatibility list; 2 community sources report these 2 weapons. No weapon level is reported.
| Weapon | Class | Weapon level | Stats with a listed change |
|---|---|---|---|
| Rezi 12 | Shotgun | bullet penetration (large, better), bullet velocity (large, worse), and total rounds (large, worse) | |
| Warlord | Shotgun | bullet penetration (large, better), vertical recoil (large, better), horizontal recoil (large, better), and bullet velocity (large, worse) |
What the 12 Gauge Slug changes
Percent changes are relative to the base value with nothing attached (CODMunity, read November 4, 2026).
| Weapon | Stat | Base | With it | Change |
|---|---|---|---|---|
| Rezi 12 | Bullet velocity | 340 m/s | 241 m/s | −29% (worse) |
| Warlord | Vertical recoil | 79.9 | 24.0 | −70% (better) |
| Horizontal recoil | 29.1 | 8.7 | −70% (better) | |
| Bullet velocity | 325 m/s | 260 m/s | −20% (worse) |
Smaller changes are left out of the table: 2 other stats on the Rezi 12 and 1 other stat on the Warlord.
Changes across weapons
The stats it changes on 2 weapons, with the lowest and highest change.
| Stat | Weapons | Lowest change | Highest change | Verdicts |
|---|---|---|---|---|
| Bullet velocity | 2 | −29% | −20% | 0 better, 2 worse |
| Horizontal recoil | 1 | −70% | −70% | 1 better, 0 worse |
| Vertical recoil | 1 | −70% | −70% | 1 better, 0 worse |
| Bullet penetration | 2 | +200% | +200% | 2 better, 0 worse |
| Total rounds | 1 | −20% | −20% | 0 better, 1 worse |
How it ranks among ammunition attachments
Its largest change on each weapon, compared with the other ammunition attachments the source lists that stat for.
- Rezi 12: its large bullet velocity change (worse) is the only one listed.
- Warlord: its large vertical recoil change (better) is the only one listed.
Pros and cons the sources list
None reported, which is different from having none.
Popular builds that use the 12 Gauge Slug
CODMunity lists 1 popular build that use it, all for Multiplayer. The styles are Versatile. The same builds also use optic, muzzle, barrel, and laser attachments.
| Weapon | Mode and style | Tier | Other attachments | Builder |
|---|---|---|---|---|
| Warlord | Multiplayer, Versatile | Very good | Optic: ZLR Type C, Muzzle: Mugi Kalnal-T 12G, Barrel: NK Gangta-12G, and Laser: SZ Gen.6 PEQ | Open in the builder: Warlord, Versatile |
Builds are community-reported and unverified.
Frequently asked questions
What does the 12 Gauge Slug do in MW4?
CODMunity lists 7 stat changes for it across 2 weapons: 4 better and 3 worse. The largest is vertical recoil −70% on the Warlord (better).
Which weapons can use the 12 Gauge Slug?
Community sites list Rezi 12 and Warlord. Activision has not published a compatibility list.
Is the 12 Gauge Slug in a popular build?
Yes. CODMunity lists it in 1 popular build, on Warlord.