ZLR TAC12 Pro attachment in MW4
The ZLR TAC12 Pro is a stock attachment (“Tactical Stock”) that community sites list for one weapon: Rezi 12. CODMunity lists a stat change on 1 of them; the largest is ADS speed −8% on the Rezi 12 (better). It is in 2 popular builds that CODMunity lists.
Community-reportedDMZ Radar, ggranked, and CODMunity, read . Unverified, not Activision data.
Weapons that can equip the ZLR TAC12 Pro
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 |
|---|---|---|---|
| Rezi 12 | Shotgun | ADS speed (moderate, better), ADS out speed (moderate, better), vertical recoil (small, worse), horizontal recoil (small, worse), vertical gun kick (small, worse), and horizontal gun kick (small, worse) |
What the ZLR TAC12 Pro 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 | ADS speed | 340 ms | 313 ms | −8% (better) |
| Vertical recoil | 98.5 | 103.4 | +5% (worse) | |
| Horizontal recoil | 17.4 | 18.3 | +5% (worse) |
Smaller changes are left out of the table: 3 other stats on the Rezi 12.
How it ranks among stock attachments
Its largest change on each weapon, compared with the other stock attachments the source lists that stat for.
- Rezi 12: its moderate ADS speed change (better) is the weakest of 2 stock attachments.
Pros and cons the sources list
None reported, which is different from having none.
Popular builds that use the ZLR TAC12 Pro
CODMunity lists 2 popular builds that use it, all for Multiplayer. The styles are Versatile. The same builds also use bolt, muzzle, barrel, laser, guard, and rear grip attachments.
| Weapon | Mode and style | Tier | Other attachments | Builder |
|---|---|---|---|---|
| Rezi 12 | Multiplayer, Versatile | Very good | Bolt: ZLR Competition-B6, Muzzle: Sakin Omega 13, Barrel: Haebang 635R-7, and Laser: XRK Clutch-LS | Open in the builder: Rezi 12, Versatile |
| Rezi 12 | Multiplayer, Versatile with Apex Attachment | Very good | Muzzle: FTAC LTS-707, Guard: Demo Service-12G, Barrel: Haebang 635R-7, and Rear Grip: XRK Bygone-39 | Open in the builder: Rezi 12, Versatile |
Builds are community-reported and unverified.
Frequently asked questions
What does the ZLR TAC12 Pro do in MW4?
CODMunity lists 6 stat changes for it across 1 weapon: 2 better and 4 worse. The largest is ADS speed −8% on the Rezi 12 (better).
Which weapons can use the ZLR TAC12 Pro?
Community sites list Rezi 12. Activision has not published a compatibility list.
Is the ZLR TAC12 Pro in a popular build?
Yes. CODMunity lists it in 2 popular builds, on Rezi 12.