DS RKT-90 attachment in MW4
The DS RKT-90 is a muzzle attachment (“Tactical Silencer”) that community sites list for 4 weapons: Kastov 762, Type 73, Mosin-Nagant, and KG-7 Vulcan. CODMunity lists a stat change on 4 of them; the largest is ADS speed +6% on the Kastov 762 (worse). No popular build that CODMunity lists uses it.
Community-reportedDMZ Radar, ggranked, and CODMunity, read . Unverified, not Activision data.
Weapons that can equip the DS RKT-90
Activision publishes no compatibility list; 3 community sources report these 4 weapons. No weapon level is reported.
| Weapon | Class | Weapon level | Stats with a listed change |
|---|---|---|---|
| Kastov 762 | Assault Rifle | ADS speed (small, worse) and ADS out speed (small, worse) | |
| Type 73 | LMG | ADS out speed (small, worse) and ADS speed (small, worse) | |
| Mosin-Nagant | Marksman Rifle | ADS speed (small, worse) and ADS out speed (small, worse) | |
| KG-7 Vulcan | Sniper Rifle | ADS out speed (small, worse) and ADS speed (small, worse) |
What the DS RKT-90 changes
Percent changes are relative to the base value with nothing attached (CODMunity, read November 4, 2026).
| Weapon | Stat | Base | With it | Change |
|---|---|---|---|---|
| Kastov 762 | ADS speed | 280 ms | 297 ms | +6% (worse) |
| Type 73 | ADS speed | 460 ms | 474 ms | +3% (worse) |
| Mosin-Nagant | ADS speed | 350 ms | 368 ms | +5% (worse) |
| KG-7 Vulcan | ADS speed | 550 ms | 567 ms | +3% (worse) |
Smaller changes are left out of the table: 1 other stat on the Kastov 762, 1 other stat on the Type 73, 1 other stat on the Mosin-Nagant, and 1 other stat on the KG-7 Vulcan.
Changes across weapons
The stats it changes on 4 weapons, with the lowest and highest change.
| Stat | Weapons | Lowest change | Highest change | Verdicts |
|---|---|---|---|---|
| ADS speed | 4 | +3% | +6% | 0 better, 4 worse |
| ADS out speed | 4 | +4% | +5% | 0 better, 4 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.
- Kastov 762: its small ADS speed change (worse) is in the bottom quarter of 5 muzzle attachments.
- Type 73: its small ADS speed change (worse) is the best of 5 muzzle attachments.
- Mosin-Nagant: its small ADS speed change (worse) is in the bottom quarter of 5 muzzle attachments.
- KG-7 Vulcan: its small ADS speed change (worse) is in the lower half of 6 muzzle attachments.
Pros and cons the sources list
None reported, which is different from having none.
Popular builds that use the DS RKT-90
No popular build listed by CODMunity uses the DS RKT-90. That says nothing about how it performs; most listed attachments are in no popular build.
Frequently asked questions
What does the DS RKT-90 do in MW4?
CODMunity lists 8 stat changes for it across 4 weapons: 0 better and 8 worse. The largest is ADS speed +6% on the Kastov 762 (worse).
Which weapons can use the DS RKT-90?
Community sites list Kastov 762, Type 73, Mosin-Nagant, and KG-7 Vulcan. Activision has not published a compatibility list.
Is the DS RKT-90 in a popular build?
No. None of the popular builds that CODMunity lists uses it.