Umarex HDP 50 Gen 2 – Compact .50 Cal CO2 Training Pistol
The Umarex HDP 50 Gen 2 is a .50 caliber CO₂-powered training and simulation pistol designed for controlled practice, defensive drills, and recreational target shooting.
Powered by a single 12g non-threaded CO₂ capsule, the HDP 50 delivers up to 485 FPS, offering strong short-range performance in a compact and ergonomic platform.
The improved Quick Pierce System (QPS) keeps the CO₂ sealed until activated with a firm press on the piercing knob, ensuring readiness when needed without gradual gas loss.
Key Features
✔ .50 caliber CO₂ training pistol
✔ NEW improved Quick Pierce System (tool-free)
✔ 6-round integrated internal magazine
✔ 12g CO₂ capsule powered
✔ Up to 485 FPS
✔ Double-action trigger
✔ Fiber optic sights
✔ Pressure indicator
✔ Improved grip texture and thumb rest
Technical Specifications
- Caliber: .50
- Velocity: Up to 485 FPS
- Magazine Capacity: 6 rounds
- Power Source: 12g CO₂ capsule
- Barrel Length: 4 in
- Overall Length: 8.4 in
- Weight: 1.4 lbs
- Action Type: Semi-auto (non-blowback)
- Trigger: Double action
- Safety: Trigger safety
🔎 Umarex HDP 50 Gen 2 Review
The HDP 50 Gen 2 is ideal for users seeking:
- A higher-capacity (.50 cal) training platform
- Stronger velocity compared to Compact version
- Fast CO₂ activation system
- Improved ergonomics and grip control
Compared to the Compact (4-round, 8g CO₂), this version provides:
- Higher capacity (6 rounds)
- Higher velocity (485 FPS)
- 12g CO₂ power system
It balances compact size with increased performance and magazine capacity.
⚖️ Is the Umarex HDP 50 Gen 2 Legal in the USA?
CO₂-powered training markers are generally regulated differently than firearms. However, regulations vary by state and municipality.
Before purchase or use, check:
- Local airgun and training marker laws
- Carry and transport regulations
- Restrictions on rubber or powder projectiles
Includes: 1 cleaning squeegee, 10 rubber practice rounds and 10 pepper rounds
❓ FAQ – Umarex HDP 50 Gen 2 (.50 Cal)
What CO2 does the HDP 50 Gen 2 use?
This model uses a single 12g non-threaded CO2 capsule.
How many rounds does it hold?
The integrated internal magazine holds 6 rounds.
What is the velocity?
The HDP 50 Gen 2 delivers up to 485 FPS depending on ammunition type and conditions.
Does it use standard paintballs?
This model is designed for compatible .50 caliber training rounds such as rubber or powder projectiles. It is not intended for standard paintball use.
What is the difference between HDP 50 and HDP 50 Compact?
The standard HDP 50 uses a 12g CO2 cartridge and holds 6 rounds, while the Compact version uses 8g CO2 and holds 4 rounds.
Is the HDP 50 Gen 2 suitable for beginners?
Yes. Its simple Quick Pierce activation system and ergonomic grip make it suitable for controlled training and recreational use.
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