SMG-37 Defender
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| Helldivers 2 | Helldivers 1 |
“A high-caliber submachine gun which can be fired with one hand. Has a relatively low rate of fire.
— Armory Description
The SMG-37 Defender is a Submachine Gun with a moderate rate of fire.
Procurement
The Defender is unlocked on the the 3rd page of the Helldivers Mobilize Warbond for 
15 Medals.
Detailed Weapon Statistics
| SMG-37 DEFENDER | |
|---|---|
| Fire Rate | 520 rpm |
| Recoil | 8.75 |
| Horizontal Recoil | 7.5 |
| Vertical Recoil | 10 |
| Spread | ↔[5.00] ↕[5.00] |
| Sway | 1.3 |
| Ergonomics | 90 |
| Capacity | 45 |
| Spare Magazines | 7 |
| Starting Magazines | 5 |
| Mags from Supply | 7 |
| Mags from Ammo Box | 3 |
| Attacks | |
| *12x25mm FULL METAL JACKET P2 | Projectile |
| 12x25mm FULL METAL JACKET P2 | |
|---|---|
| Projectile | |
| Caliber | 12 mm |
| Mass | 15 g |
| Initial Velocity | 285 m/s |
| Drag Factor | 120% |
| Gravity Factor | 100% |
| Penetration Slowdown | 25% |
| Damage | |
| Standard |  110 Ballistic
|
| vs. Durable | 22 Ballistic
|
| Penetration | |
| Direct |  Light
|
| Slight Angle | Light
|
| Large Angle | Light
|
| Extreme Angle |  Unarmored I
|
| Special Effects | |
| Demolition Force | 10 |
| Stagger Force | 10 |
| Push Force | 5 |
Attachments
| Weapon | Category | Attachment Name | Unlock Level | Unlock Cost | Effect |
|---|---|---|---|---|---|
| Defender |  Optics
|
Reflex Sight | Weapon Level 1 |  0
|
|
| 1.5x Tube Red Dot | Weapon Level 4 | 5,000
|
|||
| Reflex Sight Mk2 | Weapon Level 8 | 7,000
|
|||
| Holographic Sight | Weapon Level 19 | 13,000
|
|||
| 2x Tube Red Dot | Weapon Level 23 | 25,000
|
ERGONOMICS -3 | ||
 Magazine
|
Extended Magazine | Weapon Level 1 | 0
|
||
| Short Magazine | Weapon Level 9 | 7,000
|
ERGONOMICS 10, CAPACITY -10, RELOAD TIME -1, MAGAZINES 2 | ||
| Drum Magazine | Weapon Level 24 | 25,000
|
ERGONOMICS -15, CAPACITY 30, RELOAD TIME 1, MAGAZINES -3 | ||
 Muzzle
|
No Attachment | Weapon Level 1 | 0
|
||
| Flash Hider | Weapon Level 3 | 5,000
|
ERGONOMICS -3, HORIZONTAL RECOIL 2 | ||
| Muzzle Brake | Weapon Level 13 | 7,000
|
ERGONOMICS -5, HORIZONTAL RECOIL 4 | ||
| Compensator | Weapon Level 21 | 7,000
|
ERGONOMICS -5, VERTICAL RECOIL 4 | ||
 Underbarrel
|
Laser Sight W/ Flashlight | Weapon Level 1 | 0
|
||
| No Underbarrel | Weapon Level 1 | 0
|
ERGONOMICS 5 | ||
| Vertical Foregrip | Weapon Level 2 | 3,000
|
VERTICAL RECOIL 3 | ||
| Angled Foregrip | Weapon Level 7 | 5,000
|
ERGONOMICS 10, VERTICAL RECOIL 3 | ||
| Flashlight Vertical Foregrip | Weapon Level 17 | 7,000
|
ERGONOMICS -2, VERTICAL RECOIL 3 | ||
| Laser Sight Angled Foregrip | Weapon Level 22 | 7,000
|
ERGONOMICS 8, VERTICAL RECOIL 3 |
Tactical Information
- The One Handed trait means that the Defender can be used while holding items like the SSSD Hard Drive or while using the Ballistic Shield.
- The lower rate of fire, combined with the low recoil, means the gun is easily controlled when fired at full auto.
Media
Weapon Wheel
Aiming, Third-Person
Ditto, First-Person
Armory Icon
Change History
Patch
Description
1.005.000
2025-12-02
Changes
- Increased damage from 100 to 110
- Increased durable damage from 20 to 22
1.004.100
2025-10-23
Changes
- Damage increased from 80 to 100
- Durable damage increased from 8 to 18
- Drag increased from 0.6 to 1.2
Undocumented Changes
- Durable damage actually increased from 8 to 20
1.003.000
2025-05-13
Changes
- Spread decreased from 20 to 5
- Drag increased from 0.3 to 0.6
- Sway increased from 1 to 1.2
1.002.200
2025-03-18
Change
- Damage increased from 75 to 80.
1.001.100
2024-09-17
Changes
- Damage increased from 70 to 75.
- Durable damage increased from 7 to 8.