Ivanov QR600 attachment in MW4
The Ivanov QR600 is a muzzle attachment (“Light Silencer”) that community sites list for 3 weapons: Kastov 762, Type 73, and KG-7 Vulcan. CODMunity lists a stat change on 3 of them; the largest is damage range −11% on the Type 73 (worse). It is in 6 popular builds that CODMunity lists.
Community-reportedggranked and CODMunity, read . Unverified, not Activision data.
Weapons that can equip the Ivanov QR600
Activision publishes no compatibility list; 2 community sources report these 3 weapons. No weapon level is reported.
| Weapon | Class | Weapon level | Stats with a listed change |
|---|---|---|---|
| Kastov 762 | Assault Rifle | damage range (moderate, worse) | |
| Type 73 | LMG | damage range (moderate, worse) | |
| KG-7 Vulcan | Sniper Rifle | damage range (moderate, worse) |
What the Ivanov QR600 changes
Percent changes are relative to the base value with nothing attached (CODMunity, read November 4, 2026).
| Weapon | Stat | Base | With it | Change |
|---|---|---|---|---|
| Kastov 762 | Damage range | 100% | 91% | −9% (worse) |
| Type 73 | Damage range | 100% | 89% | −11% (worse) |
| KG-7 Vulcan | Damage range | 100% | 90% | −10% (worse) |
Changes across weapons
The stats it changes on 3 weapons, with the lowest and highest change.
| Stat | Weapons | Lowest change | Highest change | Verdicts |
|---|---|---|---|---|
| Damage range | 3 | −11% | −9% | 0 better, 3 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.
- Kastov 762: its moderate damage range change (worse) is the weakest of 3 muzzle attachments.
- Type 73: its moderate damage range change (worse) is the weakest of 2 muzzle attachments.
- KG-7 Vulcan: its moderate damage range change (worse) is the weakest of 3 muzzle attachments.
Pros and cons the sources list
None reported, which is different from having none.
Popular builds that use the Ivanov QR600
CODMunity lists 6 popular builds that use it, all for Multiplayer. The styles are Versatile, Mobility, and Sniper. The same builds also use underbarrel, rear grip, stock, laser, optic, magazine, barrel, bolt, and comb attachments.
| Weapon | Mode and style | Tier | Other attachments | Builder |
|---|---|---|---|---|
| Kastov 762 | Multiplayer, Versatile with Apex Attachment | Contender | Underbarrel: FSS Fireline Grip, Rear Grip: Hanbit TechGrip, Stock: Hanbit 655L-M Stock, and Laser: XRK Clutch-LS | Open in the builder: Kastov 762, Versatile |
| Kastov 762 | Multiplayer, Mobility with Apex Attachment | Contender | Optic: Cronen Zero-K, Magazine: 45 Round Mag 7.62, Stock: Kastov Dogfighter 27, and Laser: Schlager VISIV-5 | Open in the builder: Kastov 762, Mobility |
| KG-7 Vulcan | Multiplayer, Sniper with Apex Attachment | Absolute meta | Optic: Schlager 7x, Barrel: TT Baem 12", Bolt: KT76 Light Bolt, and Comb: TT Type 40 Comb | Open in the builder: KG-7 Vulcan, Sniper |
| KG-7 Vulcan | Multiplayer, Mobility with Apex Attachment | Very good | Optic: Schlager 7x, Barrel: TT Baem 12", Bolt: KT76 Light Bolt, and Stock: TT G76-RP Stock | Open in the builder: KG-7 Vulcan, Mobility |
| Type 73 | Multiplayer, Versatile | Very good | Barrel: RSS-40F 12", Rear Grip: Assault-L5 Grip, Stock: FTAC RZR0 Stock, and Laser: XRK Clutch-LS | Open in the builder: Type 73, Versatile |
| Type 73 | Multiplayer, Versatile with Apex Attachment | Very good | Optic: ZLR Type C, Rear Grip: Assault-L5 Grip, Stock: FTAC RZR0 Stock, and Laser: XRK Clutch-LS | Open in the builder: Type 73, Versatile |
Builds are community-reported and unverified.
Frequently asked questions
What does the Ivanov QR600 do in MW4?
CODMunity lists 3 stat changes for it across 3 weapons: 0 better and 3 worse. The largest is damage range −11% on the Type 73 (worse).
Which weapons can use the Ivanov QR600?
Community sites list Kastov 762, Type 73, and KG-7 Vulcan. Activision has not published a compatibility list.
Is the Ivanov QR600 in a popular build?
Yes. CODMunity lists it in 6 popular builds, on Kastov 762, KG-7 Vulcan, and Type 73.