SA Dynamo-90 Stock attachment in MW4
The SA Dynamo-90 Stock is a stock attachment (“Heavy Stock”) that community sites list for one weapon: Oris 8.6. CODMunity lists a stat change on 1 of them; the largest is ADS movement speed −3% on the Oris 8.6 (worse). No popular build that CODMunity lists uses it.
Community-reportedggranked and CODMunity, read . Unverified, not Activision data.
Weapons that can equip the SA Dynamo-90 Stock
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 |
|---|---|---|---|
| Oris 8.6 | Marksman Rifle | ADS idle sway (large, better), ADS gun bob (large, better), flinch received (moderate, better), and ADS movement speed (small, worse) |
What the SA Dynamo-90 Stock changes
Percent changes are relative to the base value with nothing attached (CODMunity, read November 4, 2026).
| Weapon | Stat | Base | With it | Change |
|---|---|---|---|---|
| Oris 8.6 | ADS movement speed | 2.78 m/s | 2.70 m/s | −3% (worse) |
Smaller changes are left out of the table: 3 other stats on the Oris 8.6.
How it ranks among stock attachments
Its largest change on each weapon, compared with the other stock attachments the source lists that stat for.
- Oris 8.6: its small ADS movement speed change (worse) is the weakest of 3 stock attachments.
Pros and cons the sources list
None reported, which is different from having none.
Popular builds that use the SA Dynamo-90 Stock
No popular build listed by CODMunity uses the SA Dynamo-90 Stock. That says nothing about how it performs; most listed attachments are in no popular build.
Frequently asked questions
What does the SA Dynamo-90 Stock do in MW4?
CODMunity lists 4 stat changes for it across 1 weapon: 3 better and 1 worse. The largest is ADS movement speed −3% on the Oris 8.6 (worse).
Which weapons can use the SA Dynamo-90 Stock?
Community sites list Oris 8.6. Activision has not published a compatibility list.
Is the SA Dynamo-90 Stock in a popular build?
No. None of the popular builds that CODMunity lists uses it.