Spetsnaz S10 Stock attachment in MW4
The Spetsnaz S10 Stock is a stock attachment (“Assault Stock”) that community sites list for one weapon: Kastov 762. CODMunity lists a stat change on 1 of them; the largest is vertical recoil −7% on the Kastov 762 (better). It is in 1 popular build that CODMunity lists.
Community-reportedggranked and CODMunity, read . Unverified, not Activision data.
Weapons that can equip the Spetsnaz S10 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 |
|---|---|---|---|
| Kastov 762 | Assault Rifle | vertical recoil (small, better), horizontal recoil (small, better), vertical gun kick (small, better), horizontal gun kick (small, better), ADS speed (small, worse), and ADS out speed (small, worse) |
What the Spetsnaz S10 Stock 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 | Vertical recoil | 51.9 | 48.3 | −7% (better) |
| Horizontal recoil | 28.7 | 26.7 | −7% (better) | |
| ADS speed | 280 ms | 294 ms | +5% (worse) |
Smaller changes are left out of the table: 3 other stats on the Kastov 762.
How it ranks among stock attachments
Its largest change on each weapon, compared with the other stock attachments the source lists that stat for.
- Kastov 762: its small vertical recoil change (better) is the best of 3 stock attachments.
Pros and cons the sources list
None reported, which is different from having none.
Popular builds that use the Spetsnaz S10 Stock
CODMunity lists 1 popular build that use it, all for DMZ. The styles are Apex Attachment. The same builds also use muzzle, underbarrel, magazine, and rear grip attachments.
| Weapon | Mode and style | Tier | Other attachments | Builder |
|---|---|---|---|---|
| Kastov 762 | DMZ, Apex Attachment with Apex Attachment | Not tiered | Muzzle: Gauge-12 Mono, Underbarrel: FSS Fireline Grip, Magazine: 75 Round Drum Mag 7.62, and Rear Grip: Hanbit TechGrip | Open in the builder: Kastov 762, Apex Attachment |
Builds are community-reported and unverified.
Frequently asked questions
What does the Spetsnaz S10 Stock do in MW4?
CODMunity lists 6 stat changes for it across 1 weapon: 4 better and 2 worse. The largest is vertical recoil −7% on the Kastov 762 (better).
Which weapons can use the Spetsnaz S10 Stock?
Community sites list Kastov 762. Activision has not published a compatibility list.
Is the Spetsnaz S10 Stock in a popular build?
Yes. CODMunity lists it in 1 popular build, on Kastov 762.