FTAC Harbinger 45" attachment in MW4
The FTAC Harbinger 45" is a barrel attachment (“Long Barrel”) that community sites list for one weapon: Astaroth .57. CODMunity lists a stat change on 1 of them; the largest is damage range +25% on the Astaroth .57 (better). It is in 3 popular builds that CODMunity lists.
Community-reportedDMZ Radar, ggranked, and CODMunity, read . Unverified, not Activision data.
Weapons that can equip the FTAC Harbinger 45"
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 |
|---|---|---|---|
| Astaroth .57 | Sniper Rifle | damage range (large, better), bullet velocity (large, better), ADS idle sway (moderate, worse), hip idle sway (moderate, worse), ADS movement speed (small, worse), crouch movement speed (small, worse), ADS out speed (small, worse), and firing movement speed (small, worse), and 10 more |
What the FTAC Harbinger 45" changes
Percent changes are relative to the base value with nothing attached (CODMunity, read November 4, 2026).
| Weapon | Stat | Base | With it | Change |
|---|---|---|---|---|
| Astaroth .57 | Damage range | 100% | 125% | +25% (better) |
| Bullet velocity | 620 m/s | 744 m/s | +20% (better) | |
| ADS movement speed | 1.04 m/s | 0.97 m/s | −7% (worse) | |
| ADS speed | 603 ms | 627 ms | +4% (worse) | |
| Vertical recoil | 14.4 | 13.8 | −4% (better) | |
| Horizontal recoil | 4.1 | 3.9 | −4% (better) | |
| Movement speed | 4.04 m/s | 3.92 m/s | −3% (worse) | |
| Sprint to fire speed | 500 ms | 515 ms | +3% (worse) | |
| Sprint speed | 5.47 m/s | 5.42 m/s | −1% (worse) |
Smaller changes are left out of the table: 9 other stats on the Astaroth .57.
How it ranks among barrel attachments
Its largest change on each weapon, compared with the other barrel attachments the source lists that stat for.
- Astaroth .57: its large damage range change (better) is the best of 2 barrel attachments.
Pros and cons the sources list
None reported, which is different from having none.
Popular builds that use the FTAC Harbinger 45"
CODMunity lists 3 popular builds that use it: 1 for Multiplayer and 2 for DMZ. The styles are Apex Attachment and Sniper. The same builds also use muzzle, rear grip, stock, and ammunition attachments.
| Weapon | Mode and style | Tier | Other attachments | Builder |
|---|---|---|---|---|
| Astaroth .57 | Multiplayer, Apex Attachment with Apex Attachment | Viable | Muzzle: Usenko 900 BL-X, Rear Grip: FJX S-TAC Grip, Stock: Cronen Strand-BG Stock, and Ammunition: .57 Cal High Velocity | Open in the builder: Astaroth .57, Apex Attachment |
| Astaroth .57 | DMZ, Sniper | Not tiered | Muzzle: Usenko 900 BL-X, Rear Grip: FJX S-TAC Grip, Stock: Cronen Strand-BG Stock, and Ammunition: .57 Cal High Velocity | Open in the builder: Astaroth .57, Sniper |
| Astaroth .57 | DMZ, Apex Attachment with Apex Attachment | Not tiered | Muzzle: Usenko 900 BL-X, Rear Grip: FJX S-TAC Grip, Stock: Cronen Strand-BG Stock, and Ammunition: .57 Cal High Velocity | Open in the builder: Astaroth .57, Apex Attachment |
Builds are community-reported and unverified.
Frequently asked questions
What does the FTAC Harbinger 45" do in MW4?
CODMunity lists 18 stat changes for it across 1 weapon: 6 better and 12 worse. The largest is damage range +25% on the Astaroth .57 (better).
Which weapons can use the FTAC Harbinger 45"?
Community sites list Astaroth .57. Activision has not published a compatibility list.
Is the FTAC Harbinger 45" in a popular build?
Yes. CODMunity lists it in 3 popular builds, on Astaroth .57.