XRK H-CYL 6 attachment in MW4
The XRK H-CYL 6 is a cylinder attachment (“Heavy Cylinder”) that community sites list for one weapon: Mojave .357. CODMunity lists a stat change on 1 of them; the largest is total rounds +50% on the Mojave .357 (better). No popular build that CODMunity lists uses it.
Community-reportedggranked and CODMunity, read . Unverified, not Activision data.
Weapons that can equip the XRK H-CYL 6
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 |
|---|---|---|---|
| Mojave .357 | Pistol | total rounds (large, better) |
What the XRK H-CYL 6 changes
Percent changes are relative to the base value with nothing attached (CODMunity, read November 4, 2026).
| Weapon | Stat | Base | With it | Change |
|---|---|---|---|---|
| Mojave .357 | Total rounds | 40 rounds | 60 rounds | +50% (better) |
How it ranks among cylinder attachments
Its largest change on each weapon, compared with the other cylinder attachments the source lists that stat for.
- Mojave .357: its large total rounds change (better) is the only one listed.
Pros and cons the sources list
None reported, which is different from having none.
Popular builds that use the XRK H-CYL 6
No popular build listed by CODMunity uses the XRK H-CYL 6. That says nothing about how it performs; most listed attachments are in no popular build.
Frequently asked questions
What does the XRK H-CYL 6 do in MW4?
CODMunity lists 1 stat change for it across 1 weapon: 1 better and 0 worse. The largest is total rounds +50% on the Mojave .357 (better).
Which weapons can use the XRK H-CYL 6?
Community sites list Mojave .357. Activision has not published a compatibility list.
Is the XRK H-CYL 6 in a popular build?
No. None of the popular builds that CODMunity lists uses it.