Game: Modern Warfare 4MW4

XRK Quad-80 attachment in MW4

BoltSpeed Bolt

The XRK Quad-80 is a bolt attachment (“Speed Bolt”) that community sites list for one weapon: Rezi 12. CODMunity lists no stat change for it, which does not mean it changes nothing. It is in 2 popular builds that CODMunity lists.

Community-reportedggranked and CODMunity, read . Unverified, not Activision data.

Weapons that can equip the XRK Quad-80

Activision publishes no compatibility list; 2 community sources report this weapon. No weapon level is reported.

Weapons that can equip the XRK Quad-80, with weapon level and the stats the source lists a change for
WeaponClassWeapon levelStats with a listed change
Rezi 12Shotgunnot reportedNo change listed

What the XRK Quad-80 changes

CODMunity lists no stat change for the XRK Quad-80 on any weapon it is reported on. The list can be incomplete, so this does not show that the attachment changes nothing. It has a page because a popular build uses it.

Pros and cons the sources list

None reported, which is different from having none.

Popular builds that use the XRK Quad-80

CODMunity lists 2 popular builds that use it, all for DMZ. The styles are Close Range. The same builds also use muzzle, guard, barrel, stock, and underbarrel attachments.

Popular builds that use the XRK Quad-80
WeaponMode and styleTierOther attachmentsBuilder
Rezi 12DMZ, Close Range with Apex AttachmentNot tieredMuzzle: EXP Firelite 12, Guard: Demo Service-12G, Barrel: ZLR Rogue 90 25", and Stock: No StockOpen in the builder: Rezi 12, Close Range
Rezi 12DMZ, Close RangeNot tieredMuzzle: EXP Firelite 12, Barrel: Haebang 635R-7, Underbarrel: FSS Fireline Grip, and Stock: No StockOpen in the builder: Rezi 12, Close Range

Builds are community-reported and unverified.

Frequently asked questions

What does the XRK Quad-80 do in MW4?

No stat change is listed for it, so what it does is unknown. Activision has not published a description for this attachment type.

Which weapons can use the XRK Quad-80?

Community sites list Rezi 12. Activision has not published a compatibility list.

Is the XRK Quad-80 in a popular build?

Yes. CODMunity lists it in 2 popular builds, on Rezi 12.

Sources: ggranked (read October 28, 2026); CODMunity (read October 28, 2026). Updated .