VX86 Heavy Bolt attachment in MW4
The VX86 Heavy Bolt is a bolt attachment (“Heavy Bolt”) that community sites list for one weapon: Oris 8.6. CODMunity lists a stat change on 1 of them; the largest is fire rate −11% 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 VX86 Heavy Bolt
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 | fire rate (moderate, worse) |
What the VX86 Heavy Bolt 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 | Fire rate | 89 rpm | 79 rpm | −11% (worse) |
How it ranks among bolt attachments
Its largest change on each weapon, compared with the other bolt attachments the source lists that stat for.
- Oris 8.6: its moderate fire rate change (worse) is the weakest of 2 bolt attachments.
Pros and cons the sources list
None reported, which is different from having none.
Popular builds that use the VX86 Heavy Bolt
No popular build listed by CODMunity uses the VX86 Heavy Bolt. That says nothing about how it performs; most listed attachments are in no popular build.
Frequently asked questions
What does the VX86 Heavy Bolt do in MW4?
CODMunity lists 1 stat change for it across 1 weapon: 0 better and 1 worse. The largest is fire rate −11% on the Oris 8.6 (worse).
Which weapons can use the VX86 Heavy Bolt?
Community sites list Oris 8.6. Activision has not published a compatibility list.
Is the VX86 Heavy Bolt in a popular build?
No. None of the popular builds that CODMunity lists uses it.