GL K230 attachment in MW4
The GL K230 is a optic attachment (“4x Scope”) that community sites list for 25 weapons: Han 86, M4, Hyeon Burst, Patriot XMR, and Kastov 762 and 20 more. CODMunity lists a stat change on 8 of them; the largest is ADS speed +13% on the Han 86 (worse). It is in 1 popular build that CODMunity lists.
Community-reportedDMZ Radar, ggranked, and CODMunity, read . Unverified, not Activision data.
Weapons that can equip the GL K230
Activision publishes no compatibility list; 3 community sources report these 25 weapons. No weapon level is reported.
| Weapon | Class | Weapon level | Stats with a listed change |
|---|---|---|---|
| Han 86 | Assault Rifle | ADS speed (moderate, worse), ADS out speed (moderate, worse), and ADS movement speed (small, worse) | |
| M4 | Assault Rifle | ADS speed (moderate, worse), ADS out speed (moderate, worse), and ADS movement speed (small, worse) | |
| Hyeon Burst | Assault Rifle | ADS speed (moderate, worse), ADS out speed (moderate, worse), and ADS movement speed (small, worse) | |
| Patriot XMR | Assault Rifle | vertical gun kick (large, better), horizontal gun kick (large, better), ADS speed (moderate, worse), vertical recoil (moderate, better), horizontal recoil (moderate, better), ADS out speed (moderate, worse), and ADS movement speed (small, worse) | |
| Kastov 762 | Assault Rifle | vertical gun kick (large, better), horizontal gun kick (large, better), ADS speed (moderate, worse), vertical recoil (moderate, better), horizontal recoil (moderate, better), ADS out speed (moderate, worse), and ADS movement speed (small, worse) | |
| Oden | Assault Rifle | vertical gun kick (large, better), horizontal gun kick (large, better), ADS speed (moderate, worse), vertical recoil (moderate, better), horizontal recoil (moderate, better), ADS out speed (moderate, worse), and ADS movement speed (small, worse) | |
| Axion | Assault Rifle | vertical gun kick (large, better), horizontal gun kick (large, better), ADS speed (moderate, worse), ADS out speed (moderate, worse), vertical recoil (moderate, better), horizontal recoil (moderate, better), and ADS movement speed (small, worse) | |
| Cronen Squall | Assault Rifle | vertical gun kick (large, better), horizontal gun kick (large, better), ADS speed (moderate, worse), vertical recoil (moderate, better), horizontal recoil (moderate, better), ADS out speed (moderate, worse), and ADS movement speed (small, worse) | |
| ISO Nightshade | SMG | No change listed | |
| VEL 46 | SMG | No change listed | |
| Wz.55 Striga | SMG | No change listed | |
| PPSh-41 | SMG | No change listed | |
| X-58 Nyx | SMG | No change listed | |
| Rezi 12 | Shotgun | No change listed | |
| Warlord | Shotgun | No change listed | |
| FiNN LMG | LMG | No change listed | |
| Type 73 | LMG | No change listed | |
| APOC-338 | LMG | No change listed | |
| MAR-9 | Marksman Rifle | No change listed | |
| Oris 8.6 | Marksman Rifle | No change listed | |
| Mosin-Nagant | Marksman Rifle | No change listed | |
| KG-7 Vulcan | Sniper Rifle | No change listed | |
| Astaroth .57 | Sniper Rifle | No change listed | |
| Signal 50 | Sniper Rifle | No change listed | |
| .50 GS | Pistol | No change listed |
What the GL K230 changes
Percent changes are relative to the base value with nothing attached (CODMunity, read November 4, 2026).
| Weapon | Stat | Base | With it | Change |
|---|---|---|---|---|
| Han 86 | ADS speed | 250 ms | 283 ms | +13% (worse) |
| ADS movement speed | 2.47 m/s | 2.30 m/s | −7% (worse) | |
| M4 | ADS speed | 240 ms | 271 ms | +13% (worse) |
| ADS movement speed | 2.51 m/s | 2.33 m/s | −7% (worse) | |
| Hyeon Burst | ADS speed | 275 ms | 308 ms | +12% (worse) |
| ADS movement speed | 2.36 m/s | 2.19 m/s | −7% (worse) | |
| Patriot XMR | ADS speed | 280 ms | 311 ms | +11% (worse) |
| Vertical recoil | 52.6 | 47.3 | −10% (better) | |
| Horizontal recoil | 14.4 | 13.0 | −10% (better) | |
| ADS movement speed | 2.22 m/s | 2.06 m/s | −7% (worse) | |
| Kastov 762 | ADS speed | 280 ms | 311 ms | +11% (worse) |
| Vertical recoil | 51.9 | 46.7 | −10% (better) | |
| Horizontal recoil | 28.7 | 25.8 | −10% (better) | |
| ADS movement speed | 2.34 m/s | 2.18 m/s | −7% (worse) | |
| Oden | ADS speed | 320 ms | 352 ms | +10% (worse) |
| Vertical recoil | 49.4 | 44.5 | −10% (better) | |
| Horizontal recoil | 15.2 | 13.7 | −10% (better) | |
| ADS movement speed | 2.18 m/s | 2.03 m/s | −7% (worse) | |
| Axion | ADS speed | 260 ms | 291 ms | +12% (worse) |
| Vertical recoil | 48.9 | 44.0 | −10% (better) | |
| Horizontal recoil | 13.7 | 12.3 | −10% (better) | |
| ADS movement speed | 2.41 m/s | 2.24 m/s | −7% (worse) | |
| Cronen Squall | ADS speed | 305 ms | 336 ms | +10% (worse) |
| Vertical recoil | 50.4 | 45.4 | −10% (better) | |
| Horizontal recoil | 6.3 | 5.7 | −10% (better) | |
| ADS movement speed | 2.24 m/s | 2.08 m/s | −7% (worse) |
CODMunity lists no stat change for the ISO Nightshade, VEL 46, Wz.55 Striga, PPSh-41, X-58 Nyx, Rezi 12, Warlord, FiNN LMG, Type 73, APOC-338, MAR-9, Oris 8.6, Mosin-Nagant, KG-7 Vulcan, Astaroth .57, Signal 50, and .50 GS.
Smaller changes are left out of the table: 1 other stat on the Han 86, 1 other stat on the M4, 1 other stat on the Hyeon Burst, 3 other stats on the Patriot XMR, 3 other stats on the Kastov 762, 3 other stats on the Oden, 3 other stats on the Axion, and 3 other stats on the Cronen Squall.
Changes across weapons
The stats it changes on 8 weapons, with the lowest and highest change.
| Stat | Weapons | Lowest change | Highest change | Verdicts |
|---|---|---|---|---|
| ADS speed | 8 | +10% | +13% | 0 better, 8 worse |
| ADS movement speed | 8 | −7% | −7% | 0 better, 8 worse |
| Horizontal recoil | 5 | −10% | −10% | 5 better, 0 worse |
| Vertical recoil | 5 | −10% | −10% | 5 better, 0 worse |
| ADS out speed | 8 | +8% | +10% | 0 better, 8 worse |
| Horizontal gun kick | 5 | −30% | −30% | 5 better, 0 worse |
| Vertical gun kick | 5 | −30% | −30% | 5 better, 0 worse |
How it ranks among optic attachments
Its largest change on each weapon, compared with the other optic attachments the source lists that stat for.
- Han 86: its moderate ADS speed change (worse) is the best of 10 optic attachments.
- M4: its moderate ADS speed change (worse) is the best of 10 optic attachments.
- Hyeon Burst: its moderate ADS speed change (worse) is the best of 9 optic attachments.
- Patriot XMR: its moderate ADS speed change (worse) is the best of 10 optic attachments.
- Kastov 762: its moderate ADS speed change (worse) is the best of 9 optic attachments.
- Oden: its moderate ADS speed change (worse) is the best of 10 optic attachments.
- Axion: its moderate ADS speed change (worse) is the best of 10 optic attachments.
- Cronen Squall: its moderate ADS speed change (worse) is the best of 10 optic attachments.
Pros and cons the sources list
None reported, which is different from having none.
Popular builds that use the GL K230
CODMunity lists 1 popular build that use it, all for DMZ. The styles are Long Range. The same builds also use muzzle, barrel, magazine, and stock attachments.
| Weapon | Mode and style | Tier | Other attachments | Builder |
|---|---|---|---|---|
| Mosin-Nagant | DMZ, Long Range | Not tiered | Muzzle: FTAC Silent Recon, Barrel: Mosin K025 Barrel, Magazine: 10 Round Mag, and Stock: Lockwood Eagle Stock | Open in the builder: Mosin-Nagant, Long Range |
Builds are community-reported and unverified.
Frequently asked questions
What does the GL K230 do in MW4?
CODMunity lists 44 stat changes for it across 8 weapons: 20 better and 24 worse. The largest is ADS speed +13% on the Han 86 (worse).
Which weapons can use the GL K230?
Community sites list 25 weapons, among them Han 86, M4, Hyeon Burst, Patriot XMR, Kastov 762, Oden, Axion, and Cronen Squall. Activision has not published a compatibility list.
Is the GL K230 in a popular build?
Yes. CODMunity lists it in 1 popular build, on Mosin-Nagant.