Best MAR-9 build and loadout in MW4

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

CODMunity ranks the MAR-9 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: Barrel: Bruen Reaper-X; Magazine: 10 Round Mag; Rear Grip: Hanbit AGRS-1 Pro; Stock: Schlager HVOX-80; Laser: SZ Gen.6 PEQ. CODMunity reports a 2.2% Multiplayer pick rate for the MAR-9, rank 19 of 28 weapons with a reported rate.

CODMunity gives DMZ builds no tier, so none of its 2 DMZ builds for the MAR-9 (Long Range and Long Range) is ranked above another. DMZ Radar places the MAR-9 in tier B for DMZ PvP.

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

MAR-9 stats Open the top build in the builder

Top MAR-9 build in Multiplayer

The highest-tier MAR-9 build in CODMunity's Multiplayer list, last changed on October 27, 2026. The Mobility (MAR-9 Auto Apex Attachment), Versatile (MAR-9 Auto Apex Attachment), and Versatile builds are at the same tier and shown with it.

Mobility Very good
1. BarrelBruen Reaper-X
2. Magazine10 Round Mag
3. Rear GripHanbit AGRS-1 Pro
4. StockSchlager HVOX-80
5. LaserSZ Gen.6 PEQ
What it changes
- Magazine size: 20 to 10 rounds−50% worse
- Reload time: 2933 to 2053 ms−30% better
- Sprint to fire speed: 249 to 180 ms−27.7% better
- ADS movement speed: 2.10 to 2.51 m/s+19.6% better
- ADS speed: 330 to 281 ms−14.9% better
CODMunity build codeM02-3M8SX-72W11

Open in the builder: MAR-9 Mobility build
Mobility Very good Apex: MAR-9 Auto
1. BarrelBruen Reaper-X
2. Magazine30 Round Mag
3. Rear GripHanbit AGRS-1 Pro
4. StockSchlager HVOX-80
5. LaserSZ Gen.6 PEQ
What it changes
- Fire rate: 315 to 605 rpm+92% better
- Magazine size: 20 to 30 rounds+50% better
- Horizontal recoil: 14.9 to 22.2+49.2% worse
- Sprint to fire speed: 249 to 198 ms−20.6% better
- Vertical recoil: 62.0 to 49.6−20% better
CODMunity build codeM02-3M8SX-8U711

Open in the builder: MAR-9 Mobility build
Versatile Very good Apex: MAR-9 Auto
1. BarrelBruen Reaper-X
2. Magazine30 Round Mag
3. Rear GripHanbit AGRS-1 Pro
4. StockLM Scout VX-9
5. LaserSZ Gen.6 PEQ
What it changes
- Fire rate: 315 to 605 rpm+92% better
- Horizontal recoil: 14.9 to 23.3+56.7% worse
- Magazine size: 20 to 30 rounds+50% better
- Sprint to fire speed: 249 to 198 ms−20.6% better
- Reload time: 2933 to 3432 ms+17% worse
CODMunity build codeM02-3M8SX-8XY11

Open in the builder: MAR-9 Versatile build

What the top MAR-9 build changes

Main stats the Mobility build makes better: Reload time −30% (better), Sprint to fire speed −27.7% (better), ADS movement speed +19.6% (better), ADS speed −14.9% (better).

What it gives up, main stats that get worse: Magazine size −50% (worse).

Attachment by attachment in the top MAR-9 build

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

Barrel: Bruen Reaper-X (Silenced Barrel). Biggest listed changes: Bullet velocity +12% (better), Damage range +10% (better), Vertical recoil −8% (better).
Magazine: 10 Round Mag (10-round magazine). Biggest listed changes: Magazine size −50% (worse), Reload time −30% (better), Sprint to fire speed −9% (better).
Rear Grip: Hanbit AGRS-1 Pro (Skeleton Grip). Biggest listed changes: ADS speed −9% (better), Sprint to fire speed −8% (better), Vertical recoil +6% (worse).
Stock: Schlager HVOX-80 (Light Stock). Biggest listed changes: ADS movement speed +14% (better), Movement speed +4% (better), Sprint speed +2% (better).
Laser: SZ Gen.6 PEQ (Bright ADS Laser). Biggest listed changes: Sprint to fire speed −17% (better), ADS speed −8% (better).

Other MAR-9 Multiplayer builds

3 more Multiplayer builds, all at Very good tier.

MAR-9 Multiplayer builds listed by CODMunity
Style	CODMunity tier	Attachments in Gunsmith order	Biggest listed changes	Build code	Updated	Builder
Mobility	Very good	Barrel: Bruen Reaper-X; Magazine: 30 Round Mag; Rear Grip: Hanbit AGRS-1 Pro; Stock: Schlager HVOX-80; Laser: SZ Gen.6 PEQ; Apex Attachment: MAR-9 Auto	Fire rate +92% (better), Magazine size +50% (better), Horizontal recoil +49.2% (worse)	`M02-3M8SX-8U711`	October 26, 2026	Open the MAR-9 Mobility Multiplayer build in the builder
Versatile	Very good	Barrel: Bruen Reaper-X; Magazine: 30 Round Mag; Rear Grip: Hanbit AGRS-1 Pro; Stock: LM Scout VX-9; Laser: SZ Gen.6 PEQ; Apex Attachment: MAR-9 Auto	Fire rate +92% (better), Horizontal recoil +56.7% (worse), Magazine size +50% (better)	`M02-3M8SX-8XY11`	October 25, 2026	Open the MAR-9 Versatile Multiplayer build in the builder
Versatile	Very good	Optic: ZLR Type C; Barrel: Bruen Reaper-X; Trigger Action: Mil-56.9 Heavy Trigger; Rear Grip: Schlager PLM-S9; Laser: SA LAZ-500	Fire rate −20% (worse), Bullet velocity +12% (better), Damage range +10% (better)	`M02-B19VA-6HFU1-1`	October 25, 2026	Open the MAR-9 Versatile Multiplayer build in the builder

MAR-9 builds in DMZ

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

MAR-9 DMZ builds listed by CODMunity
Style	Attachments in Gunsmith order	Biggest listed changes	Build code	Updated	Builder
Long Range	Optic: KV Corsac Holo; Muzzle: EXP Undertow Gen. 2; Magazine: 30 Round Mag; Rear Grip: Schlager PLM-S9; Laser: SZ Gen.6 PEQ; Apex Attachment: MAR-9 Auto	Fire rate +92% (better), Magazine size +50% (better), Horizontal recoil +43.8% (worse)	`M02-21JX2-AW15S-11`	October 27, 2026	Open the MAR-9 Long Range DMZ build in the builder
Long Range	Optic: KV Corsac Holo; Muzzle: EXP Undertow Gen. 2; Barrel: LM Class 6 HBL; Magazine: 30 Round Mag; Rear Grip: Schlager PLM-S9	Magazine size +50% (better), ADS speed +27.3% (worse), Bullet velocity +25.3% (better)	`M02-21HB3-DAIWQ-11`	October 28, 2026	Open the MAR-9 Long Range DMZ build in the builder

Official MAR-9 numbers

Activision's launch weapon sheet gives the MAR-9 315 RPM and a 20-round magazine with 60 reserve rounds. It unlocks at Player Level 4 and has 73 weapon levels. Among marksman rifles its fire rate ranks 1 of 3 and its magazine ranks 1 of 3. Activision describes the MAR-9 this way: Semi-auto marksman rifle with high-power precision and moderate recoil for medium to long range. Its caliber is 7.62 mm. Its Apex Attachment is the MAR-9 Auto. Fully automatic Bruen conversion with a high fire rate and more stopping power than the semi-auto original. It blocks trigger action attachments.

Activision publishes no damage or time to kill.

MAR-9 pick rate, tier and time to kill

Community tier and time to kill placements of the MAR-9
Source	Entry	Tier	Time to kill	Note
ggranked	MAR-9	Tier B	1,035 ms	Base weapon
ggranked	MAR-9 Auto	Tier B	966 ms	With Apex Attachment
DMZ Radar	MAR-9	Tier B	Not reported	DMZ PvP tier, no time to kill published; unchanged

Of the 3 marksman rifles ggranked gives a figure for, the MAR-9 has the lowest.

ggranked's figure is that site's own measure, not an Activision number.

CODMunity's pick rate for the MAR-9 was 0.8% on October 28, 2026; it is 2.2% 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. MuzzleBruen R12 Gen. 4
2. BarrelLM Class 6 HBL
3. UnderbarrelFSS Fireline Grip
4. Rear GripHanbit Wrap 76
Gets better
- Horizontal recoil−44.8% better
- Vertical recoil−26.4% better
- Bullet velocity+8% better
Trade-offs: gets worse
- ADS speed+25% worse
- Sprint to fire speed+9.2% worse
- ADS movement speed−5% worse
- Movement speed−3% worse
- Sprint speed−2% worse
Open in the builder: MAR-9 recoil control set
Fast aimA calculation made on this site, not a community recommendation
1. Rear GripHanbit AGRS-1 Pro
2. StockLM Scout VX-9
3. LaserSZ Gen.6 PEQ
Gets better
- Sprint to fire speed−23.6% better
- ADS speed−22.1% better
Trade-offs: gets worse
- Vertical recoil+11.3% worse
- Horizontal recoil+11.3% worse
Open in the builder: MAR-9 fast aim set
MobilityA calculation made on this site, not a community recommendation
1. UnderbarrelMIRE-50 Tac Grip
2. StockSchlager HVOX-80
3. LaserCorio 4DV-3
Gets better
- ADS movement speed+16.3% better
- Movement speed+11.4% better
- Sprint speed+2% better
Trade-offs: gets worse
- ADS speed+5% worse
Open in the builder: MAR-9 mobility set
Long rangeA calculation made on this site, not a community recommendation
1. MuzzleEXP Undertow Gen. 2
2. BarrelBruen Reaper-X
3. Ammunition7.62 NATO High Velocity
Gets better
- Bullet velocity+55.9% better
- Damage range+32.9% better
- Vertical recoil−13.5% better
- Horizontal recoil−13.5% better
Trade-offs: gets worse
- ADS speed+16.6% worse
- Movement speed−4% worse
- Sprint to fire speed+4% worse
- ADS movement speed−3% worse
- Sprint speed−1% worse
Open in the builder: MAR-9 long range set
Fire rate and ammoA calculation made on this site, not a community recommendationApex: MAR-9 Auto
1. Magazine30 Round Mag
Gets better
- Fire rate+92% better
- Magazine size+50% better
- Vertical recoil−18% better
Trade-offs: gets worse
- Horizontal recoil+53% worse
- Reload time+17% worse
- ADS speed+4% worse
- ADS movement speed−3% worse
- Movement speed−2% worse
- Sprint speed−2% worse
Open in the builder: MAR-9 fire rate and ammo set

Frequently asked questions

What is the best MAR-9 build in MW4?

CODMunity ranks the Mobility build highest for the MAR-9 in Multiplayer, at its Very good tier; 3 other builds share that tier and this one is listed first. Attachments in Gunsmith order: Barrel: Bruen Reaper-X; Magazine: 10 Round Mag; Rear Grip: Hanbit AGRS-1 Pro; Stock: Schlager HVOX-80; Laser: SZ Gen.6 PEQ. Build code M02-3M8SX-72W11.

How often is the MAR-9 picked in Multiplayer?

2.2% (CODMunity), rank 19 of 28. Most picked: the Hyeon Burst, 9.9%.

What does the top MAR-9 build give up?

Main stats that get worse in CODMunity's game data: Magazine size −50% (worse).

How fast does the MAR-9 kill, and how does DMZ rank it?

ggranked lists 1,035 ms, tier B, its own measure. DMZ Radar: tier B 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.