Matuzek Monarch attachment in MW4
The Matuzek Monarch is a barrel attachment (“Heavy Long Barrel”) that community sites list for one weapon: .50 GS. CODMunity lists a stat change on 1 of them; the largest is bullet velocity +15% on the .50 GS (better). It is in 3 popular builds that CODMunity lists.
Community-reportedDMZ Radar, ggranked, and CODMunity, read . Unverified, not Activision data.
Weapons that can equip the Matuzek Monarch
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 |
|---|---|---|---|
| .50 GS | Pistol | bullet velocity (large, better), damage range (moderate, better), ADS speed (moderate, worse), ADS out speed (moderate, worse), sprint to fire speed (moderate, worse), vertical recoil (moderate, better), horizontal recoil (moderate, better), and vertical gun kick (moderate, better), and 11 more |
What the Matuzek Monarch changes
Percent changes are relative to the base value with nothing attached (CODMunity, read November 4, 2026).
| Weapon | Stat | Base | With it | Change |
|---|---|---|---|---|
| .50 GS | Bullet velocity | 460 m/s | 529 m/s | +15% (better) |
| Damage range | 100% | 114% | +14% (better) | |
| ADS speed | 200 ms | 226 ms | +13% (worse) | |
| Sprint to fire speed | 80 ms | 89 ms | +11% (worse) | |
| Vertical recoil | 45.8 | 41.2 | −10% (better) | |
| Horizontal recoil | 14.4 | 13.0 | −10% (better) | |
| Movement speed | 4.92 m/s | 4.72 m/s | −4% (worse) | |
| ADS movement speed | 3.51 m/s | 3.37 m/s | −4% (worse) | |
| Sprint speed | 6.55 m/s | 6.42 m/s | −2% (worse) |
Smaller changes are left out of the table: 10 other stats on the .50 GS.
How it ranks among barrel attachments
Its largest change on each weapon, compared with the other barrel attachments the source lists that stat for.
- .50 GS: its large bullet velocity change (better) is in the lower half of 3 barrel attachments.
Pros and cons the sources list
None reported, which is different from having none.
Popular builds that use the Matuzek Monarch
CODMunity lists 3 popular builds that use it: 1 for Multiplayer and 2 for DMZ. The styles are Mobility and Close Range. The same builds also use optic, muzzle, magazine, and rear grip attachments.
| Weapon | Mode and style | Tier | Other attachments | Builder |
|---|---|---|---|---|
| .50 GS | Multiplayer, Mobility with Apex Attachment | Viable | Optic: Bruen Field-Op, Muzzle: FTAC HVY-S50, Magazine: 25 Round Drum Mag, and Rear Grip: TT Bulkkot Grip | Open in the builder: .50 GS, Mobility |
| .50 GS | DMZ, Close Range with Apex Attachment | Not tiered | Optic: Bruen Field-Op, Muzzle: FTAC HVY-S50, Magazine: 25 Round Drum Mag, and Rear Grip: TT Bulkkot Grip | Open in the builder: .50 GS, Close Range |
| .50 GS | DMZ, Close Range | Not tiered | Optic: Bruen Field-Op, Muzzle: FTAC HVY-S50, Magazine: 25 Round Drum Mag, and Rear Grip: Bruen Operator .50 Grip | Open in the builder: .50 GS, Close Range |
Builds are community-reported and unverified.
Frequently asked questions
What does the Matuzek Monarch do in MW4?
CODMunity lists 19 stat changes for it across 1 weapon: 6 better and 13 worse. The largest is bullet velocity +15% on the .50 GS (better).
Which weapons can use the Matuzek Monarch?
Community sites list .50 GS. Activision has not published a compatibility list.
Is the Matuzek Monarch in a popular build?
Yes. CODMunity lists it in 3 popular builds, on .50 GS.