Best Rezi 12 build and loadout in MW4

Data updated 4 Nov 2026 · Latest official patch: 2 Nov 2026

CODMunity ranks the Rezi 12 Mobility build highest in Multiplayer, at its Very good tier; 3 other builds share that tier and this one is listed first. Its attachments in Gunsmith order: Bolt: ZLR Competition-B6; Muzzle: FTAC LTS-707; Barrel: Haebang 635R-7; Rear Grip: XRK Bygone-39; Stock: No Stock. CODMunity reports a 4.1% Multiplayer pick rate for the Rezi 12, rank 10 of 28 weapons with a reported rate.

CODMunity gives DMZ builds no tier, so none of its 2 DMZ builds for the Rezi 12 (Close Range and Close Range) is ranked above another. DMZ Radar places the Rezi 12 in tier A for DMZ PvP.

Community-reportedBuilds and pick rate: CODMunity, read November 4, 2026. Tiers: ggranked and DMZ Radar.

Rezi 12 stats Open the top build in the builder

Top Rezi 12 build in Multiplayer

The highest-tier Rezi 12 build in CODMunity's Multiplayer list, last changed on October 27, 2026. The Versatile, Versatile (Rezi 12 Enforcer Apex Attachment), and Mobility (Rezi 12 Enforcer Apex Attachment) builds are at the same tier and shown with it.

Mobility Very good
1. BoltZLR Competition-B6
2. MuzzleFTAC LTS-707
3. BarrelHaebang 635R-7
4. Rear GripXRK Bygone-39
5. StockNo Stock
What it changes
- Magazine size: 6 to 8 rounds+33% better
- Vertical recoil: 98.5 to 130.3+32.3% worse
- Horizontal recoil: 17.4 to 23.0+32.3% worse
- Reload time: 6131 to 7786 ms+27% worse
- Bullet velocity: 340 to 408 m/s+20% better
2 of 5 attachments have no listed stat change.
CODMunity build codeC03-48FVY-XJ11

Open in the builder: Rezi 12 Mobility build
Versatile Very good
1. BoltZLR Competition-B6
2. MuzzleSakin Omega 13
3. BarrelHaebang 635R-7
4. StockZLR TAC12 Pro
5. LaserXRK Clutch-LS
What it changes
- Magazine size: 6 to 8 rounds+33% better
- Reload time: 6131 to 7786 ms+27% worse
- Bullet velocity: 340 to 408 m/s+20% better
- Sprint to fire speed: 160 to 174 ms+9% worse
- Movement speed: 4.72 to 4.63 m/s−2% worse
1 of 5 attachments has no listed stat change.
CODMunity build codeC03-6BQHC-A1U11

Open in the builder: Rezi 12 Versatile build
Versatile Very good Apex: Rezi 12 Enforcer
1. MuzzleFTAC LTS-707
2. GuardDemo Service-12G
3. BarrelHaebang 635R-7
4. Rear GripXRK Bygone-39
5. StockZLR TAC12 Pro
What it changes
- Fire rate: 150 to 75 rpm−50% worse
- Magazine size: 6 to 8 rounds+33% better
- Reload time: 6131 to 7786 ms+27% worse
- Bullet velocity: 340 to 408 m/s+20% better
- ADS speed: 340 to 310 ms−8.7% better
2 of 5 attachments have no listed stat change.
CODMunity build codeC03-6ZYX8-GG11

Open in the builder: Rezi 12 Versatile build

What the top Rezi 12 build changes

Main stats the Mobility build makes better: Magazine size +33% (better), Bullet velocity +20% (better), ADS speed −17.7% (better), ADS movement speed +9.8% (better).

What it gives up, main stats that get worse: Vertical recoil +32.3% (worse), Horizontal recoil +32.3% (worse), Reload time +27% (worse).

2 of 5 attachments have no listed stat change, which is not the same as no effect.

Attachment by attachment in the top Rezi 12 build

Each attachment of the Mobility build as the community sources list it, with the biggest changes in CODMunity's game data.

Bolt: ZLR Competition-B6 (Light Bolt). CODMunity lists no stat change for it, which is not the same as no effect.
Muzzle: FTAC LTS-707 (Light Silencer). CODMunity lists no stat change for it, which is not the same as no effect.
Barrel: Haebang 635R-7 (Long Barrel). Biggest listed changes: Magazine size +33% (better), Reload time +27% (worse), Bullet velocity +20% (better).
Rear Grip: XRK Bygone-39 (Skeleton Grip). Biggest listed changes: ADS speed −9% (better), Sprint to fire speed −8% (better), Vertical recoil +6% (worse).
Stock: No Stock. Biggest listed changes: Vertical recoil +30% (worse), Horizontal recoil +30% (worse), ADS speed −17% (better).

Other Rezi 12 Multiplayer builds

3 more Multiplayer builds, all at Very good tier.

Rezi 12 Multiplayer builds listed by CODMunity
Style	CODMunity tier	Attachments in Gunsmith order	Biggest listed changes	Build code	Updated	Builder
Versatile	Very good	Bolt: ZLR Competition-B6; Muzzle: Sakin Omega 13; Barrel: Haebang 635R-7; Stock: ZLR TAC12 Pro; Laser: XRK Clutch-LS	Magazine size +33% (better), Reload time +27% (worse), Bullet velocity +20% (better)	`C03-6BQHC-A1U11`	October 25, 2026	Open the Rezi 12 Versatile Multiplayer build in the builder
Versatile	Very good	Muzzle: FTAC LTS-707; Guard: Demo Service-12G; Barrel: Haebang 635R-7; Rear Grip: XRK Bygone-39; Stock: ZLR TAC12 Pro; Apex Attachment: Rezi 12 Enforcer	Fire rate −50% (worse), Magazine size +33% (better), Reload time +27% (worse)	`C03-6ZYX8-GG11`	October 25, 2026	Open the Rezi 12 Versatile Multiplayer build in the builder
Mobility	Very good	Muzzle: FTAC LTS-707; Guard: Demo Service-12G; Barrel: Haebang 635R-7; Rear Grip: XRK Bygone-39; Stock: No Stock; Apex Attachment: Rezi 12 Enforcer	Fire rate −50% (worse), Magazine size +33% (better), Vertical recoil +32.3% (worse)	`C03-FWY2Z-K11`	October 26, 2026	Open the Rezi 12 Mobility Multiplayer build in the builder

Rezi 12 builds in DMZ

2 DMZ builds, in the order the source gives; DMZ builds carry no tier.

Rezi 12 DMZ builds listed by CODMunity
Style	Attachments in Gunsmith order	Biggest listed changes	Build code	Updated	Builder
Close Range	Bolt: XRK Quad-80; Muzzle: EXP Firelite 12; Guard: Demo Service-12G; Barrel: ZLR Rogue 90 25"; Stock: No Stock; Apex Attachment: Rezi 12 Enforcer	Magazine size +67% (better), Reload time +54% (worse), Fire rate −50% (worse)	`C03-6K4L7-H211`	November 1, 2026	Open the Rezi 12 Close Range DMZ build in the builder
Close Range	Bolt: XRK Quad-80; Muzzle: EXP Firelite 12; Barrel: Haebang 635R-7; Underbarrel: FSS Fireline Grip; Stock: No Stock	Bullet velocity +39.2% (better), Magazine size +33% (better), Reload time +27% (worse)	`C03-6K4JI-S111`	October 28, 2026	Open the Rezi 12 Close Range DMZ build in the builder

Official Rezi 12 numbers

Activision's launch weapon sheet gives the Rezi 12 150 RPM and a 6-round magazine with 24 reserve rounds. It unlocks at Player Level 4 and has 60 weapon levels. Among shotguns its fire rate ranks 1 of 2 and its magazine ranks 2 of 2. Activision describes the Rezi 12 this way: Fast-cycling semi-auto shotgun with controlled shots and smooth recovery for close range. Its caliber is 12-gauge. Its Apex Attachment is the Rezi 12 Enforcer. Enables pump-action cycling and adds a side-saddle of hot-loaded explosive slugs. Activision lists no blocked attachment types for it.

Activision publishes no damage or time to kill.

Rezi 12 pick rate, tier and time to kill

Community tier and time to kill placements of the Rezi 12
Source	Entry	Tier	Time to kill	Note
DMZ Radar	Rezi 12	Tier A	Not reported	DMZ PvP tier, no time to kill published; unchanged

ggranked does not rank the Rezi 12 for Multiplayer, so no community time to kill is reported for it.

CODMunity's pick rate for the Rezi 12 was 2.2% on October 28, 2026; it is 4.1% now.

Builds for a goal

Community-reportedCalculated on this site from CODMunity's community-reported stat multipliers: for each goal, the attachments that do most for it within the Gunsmith limit. These are not a community recommendation and were not tested in the game.

A main stat outside the goal that an attachment makes worse counts against it at half of the weight of a goal stat. How the goals are worked out

Recoil controlA calculation made on this site, not a community recommendation
1. MuzzleGW Slashtop V1
2. BarrelZLR 12GA Ported 21"
3. UnderbarrelFSS Fireline Grip
4. Rear GripSA B40 Grip
5. CombSakin V14 Tactical
Gets better
- Magazine size+67% better
- Horizontal recoil−48.7% better
- Vertical recoil−31.6% better
Trade-offs: gets worse
- Reload time+54% worse
- ADS speed+27.6% worse
- Sprint to fire speed+20.2% worse
- ADS movement speed−3% worse
- Movement speed−2% worse
- Sprint speed−2% worse
Open in the builder: Rezi 12 recoil control set
Fast aimA calculation made on this site, not a community recommendation
1. Rear GripXRK Bygone-39
2. StockZLR TAC12 Pro
3. LaserSchlager VISIV-5
Gets better
- Sprint to fire speed−23.6% better
- ADS speed−23% better
Trade-offs: gets worse
- Vertical recoil+11.3% worse
- Horizontal recoil+11.3% worse
Open in the builder: Rezi 12 fast aim set
MobilityA calculation made on this site, not a community recommendation
1. UnderbarrelMIRE-50 Tac Grip
2. CombBryson Sidewinder
3. StockTV XR-14 Kilo
4. LaserFJX EVR7
Gets better
- ADS movement speed+12.4% better
- Movement speed+9.3% better
- Sprint speed+2% better
Trade-offs: gets worse
- ADS speed+5% worse
Open in the builder: Rezi 12 mobility set
Long rangeA calculation made on this site, not a community recommendation
1. MuzzleEXP Firelite 12
Gets better
- Bullet velocity+16% better
- Vertical recoil−6% better
- Horizontal recoil−6% better
Trade-offs: gets worse
- ADS speed+9% worse
- Movement speed−2% worse
- ADS movement speed−2% worse
Open in the builder: Rezi 12 long range set
Fire rate and ammoA calculation made on this site, not a community recommendation
1. BarrelZLR 12GA Ported 21"
Gets better
- Magazine size+67% better
- Vertical recoil−14% better
- Horizontal recoil−14% better
Trade-offs: gets worse
- Reload time+54% worse
- ADS speed+7% worse
- ADS movement speed−3% worse
- Movement speed−2% worse
- Sprint speed−2% worse
Open in the builder: Rezi 12 fire rate and ammo set

Frequently asked questions

What is the best Rezi 12 build in MW4?

CODMunity ranks the Mobility build highest for the Rezi 12 in Multiplayer, at its Very good tier; 3 other builds share that tier and this one is listed first. Attachments in Gunsmith order: Bolt: ZLR Competition-B6; Muzzle: FTAC LTS-707; Barrel: Haebang 635R-7; Rear Grip: XRK Bygone-39; Stock: No Stock. Build code C03-48FVY-XJ11.

How often is the Rezi 12 picked in Multiplayer?

4.1% (CODMunity), rank 10 of 28. Most picked: the Hyeon Burst, 9.9%.

What does the top Rezi 12 build give up?

Main stats that get worse in CODMunity's game data: Vertical recoil +32.3% (worse), Horizontal recoil +32.3% (worse), Reload time +27% (worse).

How fast does the Rezi 12 kill, and how does DMZ rank it?

ggranked reports no time to kill for it. DMZ Radar: tier A for DMZ PvP.

Builds and pick rate: CODMunity, read November 4, 2026. Tiers and time to kill: ggranked and DMZ Radar, read November 4, 2026. Official numbers: Activision, updated October 24, 2026.