Game: Modern Warfare 4MW4

Gauge-12 Mono attachment in MW4

MuzzleHeavy Silencer

The Gauge-12 Mono is a muzzle attachment (“Heavy Silencer”) that community sites list for 3 weapons: Kastov 762, Type 73, and KG-7 Vulcan. CODMunity lists a stat change on 3 of them; the largest is damage range +17% on the Kastov 762 (better). It is in 7 popular builds that CODMunity lists.

Community-reportedDMZ Radar, ggranked, and CODMunity, read . Unverified, not Activision data.

Weapons that can equip the Gauge-12 Mono

Activision publishes no compatibility list; 3 community sources report these 3 weapons. No weapon level is reported.

Weapons that can equip the Gauge-12 Mono, with weapon level and the stats the source lists a change for
WeaponClassWeapon levelStats with a listed change
Kastov 762Assault Riflenot reporteddamage range (large, better), bullet velocity (large, better), ADS idle sway (large, worse), ADS gun bob (large, worse), ADS speed (moderate, worse), ADS out speed (moderate, worse), vertical recoil (small, better), and horizontal recoil (small, better), and 7 more
Type 73LMGnot reporteddamage range (large, better), bullet velocity (large, better), ADS idle sway (large, worse), ADS gun bob (large, worse), ADS speed (small, worse), ADS out speed (small, worse), vertical recoil (small, better), and horizontal recoil (small, better), and 7 more
KG-7 VulcanSniper Riflenot reportedbullet velocity (large, better), ADS idle sway (large, worse), ADS gun bob (large, worse), damage range (large, better), ADS out speed (small, worse), vertical recoil (small, better), horizontal recoil (small, better), and vertical gun kick (small, better), and 7 more

What the Gauge-12 Mono changes

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

Key stats the Gauge-12 Mono changes on each weapon, from the base value with nothing attached
WeaponStatBaseWith itChange
Kastov 762Damage range100%117%+17% (better)
Bullet velocity560 m/s650 m/s+16% (better)
ADS speed280 ms311 ms+11% (worse)
Vertical recoil51.948.8−6% (better)
Horizontal recoil28.727.0−6% (better)
Movement speed4.52 m/s4.43 m/s−2% (worse)
ADS movement speed2.34 m/s2.29 m/s−2% (worse)
Type 73Damage range100%117%+17% (better)
Bullet velocity690 m/s800 m/s+16% (better)
ADS speed460 ms492 ms+7% (worse)
Vertical recoil42.139.6−6% (better)
Horizontal recoil10.59.9−6% (better)
Movement speed4.33 m/s4.24 m/s−2% (worse)
ADS movement speed1.81 m/s1.77 m/s−2% (worse)
KG-7 VulcanBullet velocity740 m/s858 m/s+16% (better)
Damage range100%115%+15% (better)
Vertical recoil49.246.2−6% (better)
Horizontal recoil8.78.2−6% (better)
ADS speed550 ms578 ms+5% (worse)
Movement speed4.33 m/s4.24 m/s−2% (worse)
ADS movement speed1.13 m/s1.11 m/s−2% (worse)

Smaller changes are left out of the table: 8 other stats on the Kastov 762, 8 other stats on the Type 73, and 8 other stats on the KG-7 Vulcan.

Changes across weapons

The stats it changes on 3 weapons, with the lowest and highest change.

Range of the Gauge-12 Mono's reported changes per stat across weapons
StatWeaponsLowest changeHighest changeVerdicts
Damage range3+15%+17%3 better, 0 worse
Bullet velocity3+16%+16%3 better, 0 worse
ADS speed3+5%+11%0 better, 3 worse
Horizontal recoil3−6%−6%3 better, 0 worse
Vertical recoil3−6%−6%3 better, 0 worse
ADS movement speed3−2%−2%0 better, 3 worse
Movement speed3−2%−2%0 better, 3 worse
ADS gun bob3+15%+15%0 better, 3 worse
ADS idle sway3+15%+15%0 better, 3 worse
ADS out speed3+6%+8%0 better, 3 worse
Horizontal gun kick3−6%−6%3 better, 0 worse
Vertical gun kick3−6%−6%3 better, 0 worse
Crouch movement speed3−2%−2%0 better, 3 worse
Firing movement speed3−2%−2%0 better, 3 worse
Strafe speed3−2%−2%0 better, 3 worse

How it ranks among muzzle attachments

Its largest change on each weapon, compared with the other muzzle 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 Gauge-12 Mono

CODMunity lists 7 popular builds that use it: 2 for Multiplayer and 5 for DMZ. The styles are Mobility, Apex Attachment, Long Range, and Sniper. The same builds also use barrel, rear grip, stock, laser, underbarrel, magazine, optic, comb, and ammunition attachments.

Popular builds that use the Gauge-12 Mono
WeaponMode and styleTierOther attachmentsBuilder
Type 73Multiplayer, Mobility with Apex AttachmentVery goodBarrel: SA Firerush 23.8", Rear Grip: Assault-L5 Grip, Stock: No Stock, and Laser: Schlager VISIV-5Open in the builder: Type 73, Mobility
Type 73Multiplayer, MobilityVery goodBarrel: SA Firerush 23.8", Rear Grip: Assault-L5 Grip, Stock: FTAC RZR0 Stock, and Laser: Schlager VISIV-5Open in the builder: Type 73, Mobility
Kastov 762DMZ, Apex Attachment with Apex AttachmentNot tieredUnderbarrel: FSS Fireline Grip, Magazine: 75 Round Drum Mag 7.62, Rear Grip: Hanbit TechGrip, and Stock: Spetsnaz S10 StockOpen in the builder: Kastov 762, Apex Attachment
Kastov 762DMZ, Long RangeNot tieredOptic: KV Corsac Holo, Barrel: BCS-K 589mm Barrel, Underbarrel: FSS Fireline Grip, and Magazine: 75 Round Drum Mag 7.62Open in the builder: Kastov 762, Long Range
KG-7 VulcanDMZ, Sniper with Apex AttachmentNot tieredBarrel: Haebang RMT762 29", Comb: TT Type 40 Comb, Stock: Bruen KG-7 Mk. IV, and Ammunition: 7.62x54mmR High VelocityOpen in the builder: KG-7 Vulcan, Sniper
Type 73DMZ, Long RangeNot tieredOptic: KV Corsac Holo, Barrel: Haebang ET-9D 772mm, Magazine: 100 Round Box Mag, and Laser: Schlager VISIV-5Open in the builder: Type 73, Long Range
Type 73DMZ, Apex Attachment with Apex AttachmentNot tieredOptic: KV Corsac Holo, Barrel: Haebang ET-9D 772mm, Rear Grip: Assault-L9 Wood Grip, and Laser: Schlager VISIV-5Open in the builder: Type 73, Apex Attachment

Builds are community-reported and unverified.

Frequently asked questions

What does the Gauge-12 Mono do in MW4?

CODMunity lists 45 stat changes for it across 3 weapons: 18 better and 27 worse. The largest is damage range +17% on the Kastov 762 (better).

Which weapons can use the Gauge-12 Mono?

Community sites list Kastov 762, Type 73, and KG-7 Vulcan. Activision has not published a compatibility list.

Is the Gauge-12 Mono in a popular build?

Yes. CODMunity lists it in 7 popular builds, on Type 73, Kastov 762, and KG-7 Vulcan.

Sources: DMZ Radar (read October 24, 2026); ggranked (read October 28, 2026); CODMunity (read October 28, 2026). Updated .