Demo STP-1 attachment in MW4
The Demo STP-1 is a rear grip attachment (“Tactical Grip”) that community sites list for one weapon: ISO Nightshade. CODMunity lists a stat change on 1 of them; the largest is ADS speed −6% on the ISO Nightshade (better). It is in 2 popular builds that CODMunity lists.
Community-reportedwzranked, ggranked, and CODMunity, read . Unverified, not Activision data.
Weapons that can equip the Demo STP-1
Activision publishes no compatibility list; 3 community sources report this weapon. No weapon level is reported.
| Weapon | Class | Weapon level | Stats with a listed change |
|---|---|---|---|
| ISO Nightshade | SMG | 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 Demo STP-1 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 | ADS speed | 240 ms | 226 ms | −6% (better) |
| Vertical recoil | 40.9 | 42.1 | +3% (worse) | |
| Horizontal recoil | 13.3 | 13.7 | +3% (worse) |
Smaller changes are left out of the table: 3 other stats on the ISO Nightshade.
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.
- ISO Nightshade: its small ADS speed change (better) is the best of 2 rear grip attachments.
Pros and cons the sources list
None reported, which is different from having none.
Popular builds that use the Demo STP-1
CODMunity lists 2 popular builds that use it: 1 for Multiplayer and 1 for DMZ. The styles are Versatile and Close Range. The same builds also use muzzle, underbarrel, magazine, stock, barrel, and laser attachments.
| Weapon | Mode and style | Tier | Other attachments | Builder |
|---|---|---|---|---|
| ISO Nightshade | Multiplayer, Versatile with Apex Attachment | Absolute meta | Muzzle: XRK Herder 40, Underbarrel: FSS Fireline Grip, Magazine: 40 Round Mag, and Stock: EXP G2-44 Stock | Open in the builder: ISO Nightshade, Versatile |
| ISO Nightshade | DMZ, Close Range with Apex Attachment | Not tiered | Muzzle: FSS Crackdown, Barrel: ZLR Carbon-900, Magazine: 50 Round Drum Mag, and Laser: Schlager VISIV-5 | Open in the builder: ISO Nightshade, Close Range |
Builds are community-reported and unverified.
Frequently asked questions
What does the Demo STP-1 do in MW4?
CODMunity lists 6 stat changes for it across 1 weapon: 2 better and 4 worse. The largest is ADS speed −6% on the ISO Nightshade (better).
Which weapons can use the Demo STP-1?
Community sites list ISO Nightshade. Activision has not published a compatibility list.
Is the Demo STP-1 in a popular build?
Yes. CODMunity lists it in 2 popular builds, on ISO Nightshade.