MG-Tac Trigger attachment in MW4
The MG-Tac Trigger is a trigger action attachment (“Light Trigger”) that community sites list for one weapon: MAR-9. CODMunity lists a stat change on 1 of them; the largest is fire rate +31% on the MAR-9 (better). No popular build that CODMunity lists uses it.
Community-reportedggranked and CODMunity, read . Unverified, not Activision data.
Weapons that can equip the MG-Tac Trigger
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 |
|---|---|---|---|
| MAR-9 | Marksman Rifle | fire rate (large, better), vertical recoil (large, worse), and ADS idle sway (moderate, better) |
What the MG-Tac Trigger changes
Percent changes are relative to the base value with nothing attached (CODMunity, read November 4, 2026).
| Weapon | Stat | Base | With it | Change |
|---|---|---|---|---|
| MAR-9 | Fire rate | 315 rpm | 413 rpm | +31% (better) |
| Vertical recoil | 62.0 | 74.4 | +20% (worse) |
Smaller changes are left out of the table: 1 other stat on the MAR-9.
How it ranks among trigger action attachments
Its largest change on each weapon, compared with the other trigger action attachments the source lists that stat for.
- MAR-9: its large fire rate change (better) is the best of 2 trigger action attachments.
Pros and cons the sources list
None reported, which is different from having none.
Popular builds that use the MG-Tac Trigger
No popular build listed by CODMunity uses the MG-Tac Trigger. That says nothing about how it performs; most listed attachments are in no popular build.
Frequently asked questions
What does the MG-Tac Trigger do in MW4?
CODMunity lists 3 stat changes for it across 1 weapon: 2 better and 1 worse. The largest is fire rate +31% on the MAR-9 (better).
Which weapons can use the MG-Tac Trigger?
Community sites list MAR-9. Activision has not published a compatibility list.
Is the MG-Tac Trigger in a popular build?
No. None of the popular builds that CODMunity lists uses it.