Matuzek Deputy 3.5" attachment in MW4
The Matuzek Deputy 3.5" is a barrel attachment (“Light Barrel”) that community sites list for one weapon: Mojave .357. CODMunity lists a stat change on 1 of them; the largest is vertical recoil +7% on the Mojave .357 (worse). No popular build that CODMunity lists uses it.
Community-reportedggranked and CODMunity, read . Unverified, not Activision data.
Weapons that can equip the Matuzek Deputy 3.5"
Activision publishes no compatibility list; 2 community sources report this weapon. No weapon level is reported.
| Weapon | Class | Weapon level | Stats with a listed change |
|---|---|---|---|
| Mojave .357 | Pistol | crouch movement speed (small, better), vertical recoil (small, worse), horizontal recoil (small, worse), vertical gun kick (small, worse), horizontal gun kick (small, worse), ADS speed (small, better), ADS out speed (small, better), and ADS movement speed (small, better), and 6 more |
What the Matuzek Deputy 3.5" changes
Percent changes are relative to the base value with nothing attached (CODMunity, read November 4, 2026).
| Weapon | Stat | Base | With it | Change |
|---|---|---|---|---|
| Mojave .357 | Vertical recoil | 31.0 | 33.2 | +7% (worse) |
| Horizontal recoil | 9.8 | 10.5 | +7% (worse) | |
| ADS speed | 190 ms | 179 ms | −6% (better) | |
| ADS movement speed | 3.58 m/s | 3.76 m/s | +5% (better) | |
| Movement speed | 4.96 m/s | 5.11 m/s | +3% (better) | |
| Sprint speed | 6.56 m/s | 6.76 m/s | +3% (better) | |
| Sprint to fire speed | 80 ms | 78 ms | −3% (better) |
Smaller changes are left out of the table: 7 other stats on the Mojave .357.
How it ranks among barrel attachments
Its largest change on each weapon, compared with the other barrel attachments the source lists that stat for.
- Mojave .357: its small vertical recoil change (worse) 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 Deputy 3.5"
No popular build listed by CODMunity uses the Matuzek Deputy 3.5". That says nothing about how it performs; most listed attachments are in no popular build.
Frequently asked questions
What does the Matuzek Deputy 3.5" do in MW4?
CODMunity lists 14 stat changes for it across 1 weapon: 10 better and 4 worse. The largest is vertical recoil +7% on the Mojave .357 (worse).
Which weapons can use the Matuzek Deputy 3.5"?
Community sites list Mojave .357. Activision has not published a compatibility list.
Is the Matuzek Deputy 3.5" in a popular build?
No. None of the popular builds that CODMunity lists uses it.