12.7x55mm High Velocity attachment in MW4
The 12.7x55mm High Velocity is a ammunition attachment that community sites list for one weapon: Oden. CODMunity lists a stat change on 1 of them; the largest is bullet velocity +20% on the Oden (better). It is in 2 popular builds that CODMunity lists.
Community-reportedggranked and CODMunity, read . Unverified, not Activision data.
Weapons that can equip the 12.7x55mm High Velocity
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 |
|---|---|---|---|
| Oden | Assault Rifle | bullet velocity (large, better) and damage range (small, better) |
What the 12.7x55mm High Velocity changes
Percent changes are relative to the base value with nothing attached (CODMunity, read November 4, 2026).
| Weapon | Stat | Base | With it | Change |
|---|---|---|---|---|
| Oden | Bullet velocity | 690 m/s | 828 m/s | +20% (better) |
| Damage range | 100% | 106% | +6% (better) |
How it ranks among ammunition attachments
Its largest change on each weapon, compared with the other ammunition attachments the source lists that stat for.
- Oden: its large bullet velocity 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 12.7x55mm High Velocity
CODMunity lists 2 popular builds that use it: 1 for Multiplayer and 1 for DMZ. The styles are Apex Attachment. The same builds also use underbarrel, comb, stock, and laser attachments.
| Weapon | Mode and style | Tier | Other attachments | Builder |
|---|---|---|---|---|
| Oden | Multiplayer, Apex Attachment with Apex Attachment | Viable | Underbarrel: FSS TAC90 Grip, Comb: NXK-9F Comb, Stock: GL HOX-20 Stock, and Laser: XRK Clutch-LS | Open in the builder: Oden, Apex Attachment |
| Oden | DMZ, Apex Attachment with Apex Attachment | Not tiered | Underbarrel: FSS Fireline Grip, Comb: NXK-9F Comb, Stock: Haebang Stal-W5, and Laser: Schlager VISIV-5 | Open in the builder: Oden, Apex Attachment |
Builds are community-reported and unverified.
Frequently asked questions
What does the 12.7x55mm High Velocity do in MW4?
CODMunity lists 2 stat changes for it across 1 weapon: 2 better and 0 worse. The largest is bullet velocity +20% on the Oden (better).
Which weapons can use the 12.7x55mm High Velocity?
Community sites list Oden. Activision has not published a compatibility list.
Is the 12.7x55mm High Velocity in a popular build?
Yes. CODMunity lists it in 2 popular builds, on Oden.