XRK Greywolf 7.5" attachment in MW4
The XRK Greywolf 7.5" is a barrel attachment (“Heavy Barrel”) that community sites list for one weapon: Mojave .357. CODMunity lists a stat change on 1 of them; the largest is vertical recoil −14% on the Mojave .357 (better). It is in 2 popular builds that CODMunity lists.
Community-reportedDMZ Radar, ggranked, and CODMunity, read . Unverified, not Activision data.
Weapons that can equip the XRK Greywolf 7.5"
Activision publishes no compatibility list; 3 community sources report this weapon. No weapon level is reported.
| Weapon | Class | Weapon level | Stats with a listed change |
|---|---|---|---|
| Mojave .357 | Pistol | vertical recoil (moderate, better), horizontal recoil (moderate, better), vertical gun kick (moderate, better), horizontal gun kick (moderate, better), ADS speed (moderate, worse), ADS out speed (moderate, worse), bullet velocity (moderate, better), and damage range (small, better), and 7 more |
What the XRK Greywolf 7.5" 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 | Vertical recoil | 31.0 | 26.7 | −14% (better) |
| Horizontal recoil | 9.8 | 8.4 | −14% (better) | |
| ADS speed | 190 ms | 213 ms | +12% (worse) | |
| Bullet velocity | 400 m/s | 432 m/s | +8% (better) | |
| Damage range | 100% | 107% | +7% (better) | |
| ADS movement speed | 3.58 m/s | 3.47 m/s | −3% (worse) | |
| Movement speed | 4.96 m/s | 4.86 m/s | −2% (worse) | |
| Sprint speed | 6.56 m/s | 6.43 m/s | −2% (worse) |
Smaller changes are left out of the table: 7 other stats on the Mojave .357.
How it ranks among barrel attachments
Its largest change on each weapon, compared with the other barrel attachments the source lists that stat for.
- Mojave .357: its moderate vertical recoil change (better) is the best of 3 barrel attachments.
Pros and cons the sources list
None reported, which is different from having none.
Popular builds that use the XRK Greywolf 7.5"
CODMunity lists 2 popular builds that use it, all for DMZ. The styles are Close Range. The same builds also use cylinder, muzzle, laser, ammunition, and rear grip attachments.
| Weapon | Mode and style | Tier | Other attachments | Builder |
|---|---|---|---|---|
| Mojave .357 | DMZ, Close Range with Apex Attachment | Not tiered | Cylinder: Mojave Speed Cylinder, Muzzle: Matuzek H357-M Comp, Laser: GW MDL-2, and Ammunition: .357 Magnum Overpressured | Open in the builder: Mojave .357, Close Range |
| Mojave .357 | DMZ, Close Range | Not tiered | Cylinder: Mojave Speed Cylinder, Rear Grip: CP37 Grip, Laser: GW MDL-2, and Ammunition: .357 Magnum Snake Shot | Open in the builder: Mojave .357, Close Range |
Builds are community-reported and unverified.
Frequently asked questions
What does the XRK Greywolf 7.5" do in MW4?
CODMunity lists 15 stat changes for it across 1 weapon: 6 better and 9 worse. The largest is vertical recoil −14% on the Mojave .357 (better).
Which weapons can use the XRK Greywolf 7.5"?
Community sites list Mojave .357. Activision has not published a compatibility list.
Is the XRK Greywolf 7.5" in a popular build?
Yes. CODMunity lists it in 2 popular builds, on Mojave .357.