Bruen Mirelock 565 attachment in MW4
The Bruen Mirelock 565 is a stock attachment (“Heavy Stock”) that community sites list for one weapon: MAR-9. CODMunity lists a stat change on 1 of them; the largest is ADS movement speed −4% on the MAR-9 (worse). No popular build that CODMunity lists uses it.
Community-reportedggranked and CODMunity, read . Unverified, not Activision data.
Weapons that can equip the Bruen Mirelock 565
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 | ADS idle sway (large, better), ADS gun bob (large, better), flinch received (moderate, better), and ADS movement speed (small, worse) |
What the Bruen Mirelock 565 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 | ADS movement speed | 2.10 m/s | 2.02 m/s | −4% (worse) |
Smaller changes are left out of the table: 3 other stats on the MAR-9.
How it ranks among stock attachments
Its largest change on each weapon, compared with the other stock attachments the source lists that stat for.
- MAR-9: its small ADS movement speed change (worse) is the weakest of 2 stock attachments.
Pros and cons the sources list
None reported, which is different from having none.
Popular builds that use the Bruen Mirelock 565
No popular build listed by CODMunity uses the Bruen Mirelock 565. That says nothing about how it performs; most listed attachments are in no popular build.
Frequently asked questions
What does the Bruen Mirelock 565 do in MW4?
CODMunity lists 4 stat changes for it across 1 weapon: 3 better and 1 worse. The largest is ADS movement speed −4% on the MAR-9 (worse).
Which weapons can use the Bruen Mirelock 565?
Community sites list MAR-9. Activision has not published a compatibility list.
Is the Bruen Mirelock 565 in a popular build?
No. None of the popular builds that CODMunity lists uses it.