The Warzone 2 Season 3 update has added a new underbarrel Drill Charge launcher attachment, the SPW 40mm Drill, and it can be very powerful in the right hands.
However, unlocking it may take a while, and there are only a few weapons that can equip it.
Here’s how you can unlock the SPW 40mm Drill as well as the best weapon builds for this explosive attachment!
What Guns Can Have an Underbarrel Drill Charge?
There are three guns in Warzone 2 and Modern Warfare 2 that can have an underbarrel Drill Charge launcher. They are:
- Cronen Squall
- M13B
- M4
This is because these are the only weapons that can equip the SPW 40mm Drill underbarrel attachment.
How to Unlock SPW 40mm Drill Attachment For M4, M13B & Cronen Squall
To unlock the SPW 40mm Drill underbarrel attachment in Warzone 2 and MW2, you must reach level 26 with the Cronen Squall.
Once you have done this, you can equip it to the Cronen Squall, M13B, or M4.
Of course, before you can unlock the underbarrel Drill Charge launcher, you’ll need to know how to unlock the Cronen Squall in Warzone 2 and MW2!
Is The Underbarrel Drill Charge Meta?
The underbarrel Drill Charge is not quite meta, but it is a very powerful attachment in the hands of skilled players. A direct hit will down an enemy with three plates, and it can be very effective at flushing out enemies behind cover.
What’s more, the SPW 40mm Drill increases recoil stabilization, and you can easily replenish your underbarrel Drill Charges with a Munitions Box!
The best Warzone 2 weapon to use the underbarrel Drill Charge attachment with is the Cronen Squall, thanks to its insanely fast time-to-kill. However, the M13B and M4 with the SPW 40mm Drill are still good options.
Best Underbarrel Drill Charge Cronen Squall Loadout
| Attachment | Tuning | How to Unlock |
| Sakin Tread-40 (Muzzle) | +0.44 ↑ +0.26 → | STB 556 Level 4 |
| FSS OLE-V Laser (Laser) | -0.23 ↓ -32.90 ← | EBR-14 Level 10 |
| Cronen Mini Pro (Optic) | -1.58 ↓ -2.25 → | Expedite 12 Level 7 |
| SPW 40mm Drill (Underbarrel) | -0.16 ↓ +0.92 → | Cronen Squall Level 26 |
| 50 Round Drum (Magazine) | N/A | Cronen Squall Level 8 |
This Cronen Squall build is perfect as a sniper support gun, so make sure to use it alongside one of the best one-shot sniper loadouts in Warzone 2!
Also, make sure to try out the best Cronen Squall loadout in Warzone 2 if you want a build with more range and less recoil!
Best Underbarrel Drill Charge M13B Loadout
| Attachment | Tuning | How to Unlock |
| XTEN Ported 290 (Muzzle) | +0.46 ↑ +0.18 → | HCR 56 Level 16 |
| 14″ Bruen Echelon (Barrel) | +0.40 ↑ +0.21 → | M13B Level 17 |
| Cronen Mini Pro (Optic) | -1.58 ↓ -2.25 → | Expedite 12 Level 7 |
| SPW 40mm Drill (Underbarrel) | -0.16 ↓ +0.92 → | Cronen Squall Level 26 |
| 60 Round Mag (Magazine) | N/A | M13B Level 17 |
The M13B is a highly accurate sniper support gun for Warzone 2 players who don’t mind lower mobility. If you want to be a little faster though, here are the meta sniper support guns for Warzone 2!
Best Underbarrel Drill Charge M4 Loadout
| Attachment | Tuning | How to Unlock |
| Komodo Heavy (Muzzle) | +0.54 ↑ +0.26 → | Lachmann-556 Level 18 |
| FSS OLE-V Laser (Laser) | -0.26 ↓ -36.18 ← | EBR-14 Level 10 |
| Cronen Mini Pro (Optic) | -1.58 ↓ -2.25 → | Expedite 12 Level 7 |
| SPW 40mm Drill (Underbarrel) | -0.16 ↓ +0.92 → | Cronen Squall Level 26 |
| 45 Round Mag (Magazine) | N/A | M4 Level 5 |
The underbarrel Drill Charge attachment gives the M4 some extra firepower for close-range engagements. See where the M4 ranks in our Warzone 2 meta weapons tier list!
The underbarrel drill charge launcher is especially effective on the smaller Warzone 2 map, Ashika Island. Find out the best Ashika Island loadouts so you can win more Resurgence games!
