212 LC40 Comp attachment in MW4
The 212 LC40 Comp is a muzzle attachment (“Horizontal Comp”) that community sites list for 2 weapons: ISO Nightshade and VEL 46. CODMunity lists a stat change on 2 of them; the largest is horizontal recoil −25% on the ISO Nightshade (better). No popular build that CODMunity lists uses it.
Community-reportedggranked and CODMunity, read . Unverified, not Activision data.
Weapons that can equip the 212 LC40 Comp
Activision publishes no compatibility list; 2 community sources report these 2 weapons. No weapon level is reported.
| Weapon | Class | Weapon level | Stats with a listed change |
|---|---|---|---|
| ISO Nightshade | SMG | horizontal gun kick (large, better), horizontal recoil (large, better), ADS speed (small, worse), and ADS out speed (small, worse) | |
| VEL 46 | SMG | horizontal gun kick (large, better), horizontal recoil (large, better), ADS speed (small, worse), and ADS out speed (small, worse) |
What the 212 LC40 Comp changes
Percent changes are relative to the base value with nothing attached (CODMunity, read November 4, 2026).
| Weapon | Stat | Base | With it | Change |
|---|---|---|---|---|
| ISO Nightshade | Horizontal recoil | 13.3 | 10.0 | −25% (better) |
| ADS speed | 240 ms | 252 ms | +5% (worse) | |
| VEL 46 | Horizontal recoil | 12.5 | 9.4 | −25% (better) |
| ADS speed | 230 ms | 242 ms | +5% (worse) |
Smaller changes are left out of the table: 2 other stats on the ISO Nightshade and 2 other stats on the VEL 46.
Changes across weapons
The stats it changes on 2 weapons, with the lowest and highest change.
| Stat | Weapons | Lowest change | Highest change | Verdicts |
|---|---|---|---|---|
| Horizontal recoil | 2 | −25% | −25% | 2 better, 0 worse |
| ADS speed | 2 | +5% | +5% | 0 better, 2 worse |
| Horizontal gun kick | 2 | −30% | −30% | 2 better, 0 worse |
| ADS out speed | 2 | +4% | +5% | 0 better, 2 worse |
How it ranks among muzzle attachments
Its largest change on each weapon, compared with the other muzzle attachments the source lists that stat for.
- ISO Nightshade: its large horizontal recoil change (better) is the best of 4 muzzle attachments.
- VEL 46: its large horizontal recoil change (better) is the best of 4 muzzle attachments.
Pros and cons the sources list
None reported, which is different from having none.
Popular builds that use the 212 LC40 Comp
No popular build listed by CODMunity uses the 212 LC40 Comp. That says nothing about how it performs; most listed attachments are in no popular build.
Frequently asked questions
What does the 212 LC40 Comp do in MW4?
CODMunity lists 8 stat changes for it across 2 weapons: 4 better and 4 worse. The largest is horizontal recoil −25% on the ISO Nightshade (better).
Which weapons can use the 212 LC40 Comp?
Community sites list ISO Nightshade and VEL 46. Activision has not published a compatibility list.
Is the 212 LC40 Comp in a popular build?
No. None of the popular builds that CODMunity lists uses it.