| Manufacturer | Umarex |
| Type | Pump-Action Shotgun Launcher |
| Caliber | .68 cal |
| Power Source | 88g CO2 cartridge |
| Muzzle Velocity | ~320 fps per projectile |
| Effective Range | ~10 m |
| Projectiles | Rubber balls (3-shot payload), paintballs |
| Price Range | $160–$220 |
Design & Build Quality
The HDX 68 uses a full-length pump-action stock with an 88g CO2 reservoir in the grip area. The three-ball magazine feeds horizontally; each pump loads a fresh 3-ball payload and advances the CO2 system. Build quality is primarily polymer with steel internals. An under-barrel Picatinny rail accepts lights and accessories. The platform ships in orange/black and all-black configurations depending on market.
Performance & Ballistics
Each trigger pull releases three .68 cal rubber balls in a spread pattern. At close range this delivers significant impact force across a wider area than single-projectile platforms. Effective range is shorter than carbine-format launchers due to the multi-ball spread pattern and short barrel. The 88g CO2 tank provides significantly more consistent shot-to-shot power than 12g cartridges in cold conditions. Shot count per 88g cartridge varies by temperature and valve adjustment.
Known Issues & Limitations
- Very short effective range compared to rifle-format launchers
- Three-ball payload limits area selection — elevated bystander risk in confined spaces
- Slower follow-up shots than semi-auto platforms
- Larger and heavier than pistol-format alternatives
- 88g CO2 sourcing can be difficult in some regions
Accessories & Upgrade Ecosystem
- 88g CO2 adapters and spare tanks
- Picatinny light and laser mounts
- .68 cal rubber ball and washable paintball ammunition
- Sling attachments for two-point carry
Platform Summary
The HDX 68 fills a specific niche: area-effect deterrence at close range. Its three-ball payload per shot and shotgun form factor create a psychological and physical deterrent profile that single-projectile launchers cannot match. For room-clearing scenarios, close-range perimeter work, and situations requiring wider coverage, the HDX 68 is a strong choice. Its range limitations and slower follow-up fire mean it is best paired with other platforms in extended engagements.
