HVY-80 Stockpad attachment in MW4
The HVY-80 Stockpad is a stock attachment (“Heavy Stock”) that community sites list for one weapon: Hyeon Burst. CODMunity lists a stat change on 1 of them; the largest is ADS movement speed −3% on the Hyeon Burst (worse). It is in 1 popular build that CODMunity lists.
Community-reportedggranked and CODMunity, read . Unverified, not Activision data.
Weapons that can equip the HVY-80 Stockpad
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 |
|---|---|---|---|
| Hyeon Burst | Assault Rifle | ADS idle sway (large, better), ADS gun bob (large, better), flinch received (moderate, better), and ADS movement speed (small, worse) |
What the HVY-80 Stockpad changes
Percent changes are relative to the base value with nothing attached (CODMunity, read November 4, 2026).
| Weapon | Stat | Base | With it | Change |
|---|---|---|---|---|
| Hyeon Burst | ADS movement speed | 2.36 m/s | 2.29 m/s | −3% (worse) |
Smaller changes are left out of the table: 3 other stats on the Hyeon Burst.
How it ranks among stock attachments
Its largest change on each weapon, compared with the other stock attachments the source lists that stat for.
- Hyeon Burst: its small ADS movement speed change (worse) is the weakest of 2 stock attachments.
Pros and cons the sources list
None reported, which is different from having none.
Popular builds that use the HVY-80 Stockpad
CODMunity lists 1 popular build that use it, all for Multiplayer. The styles are Versatile. The same builds also use muzzle, barrel, underbarrel, and laser attachments.
| Weapon | Mode and style | Tier | Other attachments | Builder |
|---|---|---|---|---|
| Hyeon Burst | Multiplayer, Versatile with Apex Attachment | Absolute meta | Muzzle: FSS IS300, Barrel: Mugi Ingoem 559mm, Underbarrel: FSS Fireline Grip, and Laser: SA LAZ-500 | Open in the builder: Hyeon Burst, Versatile |
Builds are community-reported and unverified.
Frequently asked questions
What does the HVY-80 Stockpad 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 Hyeon Burst (worse).
Which weapons can use the HVY-80 Stockpad?
Community sites list Hyeon Burst. Activision has not published a compatibility list.
Is the HVY-80 Stockpad in a popular build?
Yes. CODMunity lists it in 1 popular build, on Hyeon Burst.