FTAC MOD3-LK 15" attachment in MW4
The FTAC MOD3-LK 15" is a barrel attachment (“Light Barrel”) that community sites list for one weapon: FiNN LMG. CODMunity lists a stat change on 1 of them; the largest is ADS movement speed +9% on the FiNN LMG (better). It is in 1 popular build that CODMunity lists.
Community-reportedggranked and CODMunity, read . Unverified, not Activision data.
Weapons that can equip the FTAC MOD3-LK 15"
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 |
|---|---|---|---|
| FiNN LMG | LMG | ADS movement speed (moderate, better), crouch movement speed (moderate, better), vertical recoil (moderate, worse), horizontal recoil (moderate, worse), vertical gun kick (moderate, worse), horizontal gun kick (moderate, worse), strafe speed (small, better), and firing movement speed (small, better), and 6 more |
What the FTAC MOD3-LK 15" changes
Percent changes are relative to the base value with nothing attached (CODMunity, read November 4, 2026).
| Weapon | Stat | Base | With it | Change |
|---|---|---|---|---|
| FiNN LMG | ADS movement speed | 2.03 m/s | 2.21 m/s | +9% (better) |
| Vertical recoil | 49.0 | 53.4 | +9% (worse) | |
| Horizontal recoil | 17.3 | 18.9 | +9% (worse) | |
| Movement speed | 4.38 m/s | 4.51 m/s | +3% (better) | |
| Sprint speed | 5.82 m/s | 5.99 m/s | +3% (better) | |
| ADS speed | 400 ms | 388 ms | −3% (better) | |
| Sprint to fire speed | 237 ms | 230 ms | −3% (better) |
Smaller changes are left out of the table: 7 other stats on the FiNN LMG.
How it ranks among barrel attachments
Its largest change on each weapon, compared with the other barrel attachments the source lists that stat for.
- FiNN LMG: its moderate ADS movement speed change (better) is the best of 4 barrel attachments.
Pros and cons the sources list
None reported, which is different from having none.
Popular builds that use the FTAC MOD3-LK 15"
CODMunity lists 1 popular build that use it, all for Multiplayer. The styles are Mobility. The same builds also use muzzle, rear grip, stock, and laser attachments.
| Weapon | Mode and style | Tier | Other attachments | Builder |
|---|---|---|---|---|
| FiNN LMG | Multiplayer, Mobility | Very good | Muzzle: XRK Mil-Tac Suppressor, Rear Grip: Schlager KM60-G, Stock: No Stock, and Laser: SZ Gen.6 PEQ | Open in the builder: FiNN LMG, Mobility |
Builds are community-reported and unverified.
Frequently asked questions
What does the FTAC MOD3-LK 15" do in MW4?
CODMunity lists 14 stat changes for it across 1 weapon: 10 better and 4 worse. The largest is ADS movement speed +9% on the FiNN LMG (better).
Which weapons can use the FTAC MOD3-LK 15"?
Community sites list FiNN LMG. Activision has not published a compatibility list.
Is the FTAC MOD3-LK 15" in a popular build?
Yes. CODMunity lists it in 1 popular build, on FiNN LMG.