Mugi UN-R5 Grip attachment in MW4
The Mugi UN-R5 Grip is a rear grip attachment (“Tactical Grip”) that community sites list for one weapon: Hyeon Burst. CODMunity lists a stat change on 1 of them; the largest is ADS speed −5% on the Hyeon Burst (better). No popular build that CODMunity lists uses it.
Community-reportedggranked and CODMunity, read . Unverified, not Activision data.
Weapons that can equip the Mugi UN-R5 Grip
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 |
|---|---|---|---|
| Hyeon Burst | Assault Rifle | ADS speed (small, better), ADS out speed (small, better), vertical recoil (small, worse), horizontal recoil (small, worse), vertical gun kick (small, worse), and horizontal gun kick (small, worse) |
What the Mugi UN-R5 Grip changes
Percent changes are relative to the base value with nothing attached (CODMunity, read November 4, 2026).
| Weapon | Stat | Base | With it | Change |
|---|---|---|---|---|
| Hyeon Burst | ADS speed | 275 ms | 261 ms | −5% (better) |
| Vertical recoil | 38.3 | 39.4 | +3% (worse) | |
| Horizontal recoil | 16.4 | 16.9 | +3% (worse) |
Smaller changes are left out of the table: 3 other stats on the Hyeon Burst.
How it ranks among rear grip attachments
Its largest change on each weapon, compared with the other rear grip attachments the source lists that stat for.
- Hyeon Burst: its small ADS speed change (better) is the weakest of 2 rear grip attachments.
Pros and cons the sources list
None reported, which is different from having none.
Popular builds that use the Mugi UN-R5 Grip
No popular build listed by CODMunity uses the Mugi UN-R5 Grip. That says nothing about how it performs; most listed attachments are in no popular build.
Frequently asked questions
What does the Mugi UN-R5 Grip do in MW4?
CODMunity lists 6 stat changes for it across 1 weapon: 2 better and 4 worse. The largest is ADS speed −5% on the Hyeon Burst (better).
Which weapons can use the Mugi UN-R5 Grip?
Community sites list Hyeon Burst. Activision has not published a compatibility list.
Is the Mugi UN-R5 Grip in a popular build?
No. None of the popular builds that CODMunity lists uses it.