Game: Modern Warfare 4MW4

Mugi Ingoem 559mm attachment in MW4

BarrelHeavy Barrel

The Mugi Ingoem 559mm is a barrel attachment (“Heavy Barrel”) that community sites list for one weapon: Hyeon Burst. CODMunity lists a stat change on 1 of them; the largest is vertical recoil −14% on the Hyeon Burst (better). It is in 2 popular builds that CODMunity lists.

Community-reportedggranked and CODMunity, read . Unverified, not Activision data.

Weapons that can equip the Mugi Ingoem 559mm

Activision publishes no compatibility list; 2 community sources report this weapon. No weapon level is reported.

Weapons that can equip the Mugi Ingoem 559mm, with weapon level and the stats the source lists a change for
WeaponClassWeapon levelStats with a listed change
Hyeon BurstAssault Riflenot reportedvertical recoil (moderate, better), horizontal recoil (moderate, better), vertical gun kick (moderate, better), horizontal gun kick (moderate, better), ADS speed (moderate, worse), ADS out speed (moderate, worse), bullet velocity (moderate, better), and ADS movement speed (small, worse), and 6 more

What the Mugi Ingoem 559mm changes

Percent changes are relative to the base value with nothing attached (CODMunity, read November 4, 2026).

Key stats the Mugi Ingoem 559mm changes on each weapon, from the base value with nothing attached
WeaponStatBaseWith itChange
Hyeon BurstVertical recoil38.332.9−14% (better)
Horizontal recoil16.414.1−14% (better)
ADS speed275 ms305 ms+11% (worse)
Bullet velocity775 m/s837 m/s+8% (better)
ADS movement speed2.36 m/s2.27 m/s−4% (worse)
Movement speed4.58 m/s4.44 m/s−3% (worse)
Sprint speed6.07 m/s5.95 m/s−2% (worse)

Smaller changes are left out of the table: 7 other stats on the Hyeon Burst.

How it ranks among barrel attachments

Its largest change on each weapon, compared with the other barrel 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 Mugi Ingoem 559mm

CODMunity lists 2 popular builds that use it: 1 for Multiplayer and 1 for DMZ. The styles are Versatile and Long Range. The same builds also use muzzle, underbarrel, stock, laser, optic, magazine, and rear grip attachments.

Popular builds that use the Mugi Ingoem 559mm
WeaponMode and styleTierOther attachmentsBuilder
Hyeon BurstMultiplayer, Versatile with Apex AttachmentAbsolute metaMuzzle: FSS IS300, Underbarrel: FSS Fireline Grip, Stock: HVY-80 Stockpad, and Laser: SA LAZ-500Open in the builder: Hyeon Burst, Versatile
Hyeon BurstDMZ, Long RangeNot tieredOptic: KV Corsac Holo, Muzzle: FSS IS300, Magazine: 60 Round Drum Mag, and Rear Grip: HYN-MeipeulOpen in the builder: Hyeon Burst, Long Range

Builds are community-reported and unverified.

Frequently asked questions

What does the Mugi Ingoem 559mm do in MW4?

CODMunity lists 14 stat changes for it across 1 weapon: 5 better and 9 worse. The largest is vertical recoil −14% on the Hyeon Burst (better).

Which weapons can use the Mugi Ingoem 559mm?

Community sites list Hyeon Burst. Activision has not published a compatibility list.

Is the Mugi Ingoem 559mm in a popular build?

Yes. CODMunity lists it in 2 popular builds, on Hyeon Burst.

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