Pay in installments of $28.62 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Sep 8 - Sep 13
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Z-RAM ZDR50 Black Upgrade Package for HDR50 TR50 (35 Jo. 12g CO2)Z RAM ZDR50 Black Upgrade Package for Umarex HDR50 TR50 (35 Jo. 12g CO2) For Umarex HDR50 TR50 Up to 35 Joules with Z Extension Looking to get serious power from your HDR50 TR50 without custom mods or guesswork? This complete kit includes everything you need to reach up to 35 Joules using your stock valve and a Z Extension, all housed in our sleek Black ZDR50 body kit. Perfect for users who want to boost performance without switching to an EX valve
Z-RAM ZDR50 Black Upgrade Package for Umarex HDR50 TR50 (35 Jo. 12g CO2)
For Umarex HDR50 / TR50 – Up to 35 Joules with Z-Extension
Looking to get serious power from your HDR50 / TR50 – without custom mods or guesswork? This complete kit includes everything you need to reach up to 35 Joules using your stock valve and a Z-Extension, all housed in our sleek Black ZDR50 body kit.
Perfect for users who want to boost performance without switching to an EX-valve system.
⚙️ Included in this package:
✔️ Z-Extension – boosts energy output with 12g CO₂
✔️ Tuning Barrel + Standard Extension – optimized for power & fit
✔️ ZDR50 Barrel Cover (Compensator) – clean look, extra reach
✔️ Set of 6x Z.50v2 Steel Projectiles – precision-calibrated
✔️ ZDR50 Black Body Kit – no cutting required
All required small parts included (screws, o-ring, grip insert, etc.)
🔧 Key Benefits
Up to 35 Joules with the standard valve + 12g CO₂
No drilling – Z-Extension fits fully inside the ZDR50 housing
Clean, reliable design – looks pro, runs strong
Can be upgraded with Modify Pin (10 shots @ ~29–30 Joules)
Plug & play – easy to install, zero tools beyond a screwdriver
⚠️ Notes
Requires an Umarex HDR50 / TR50 – not included
Local laws may limit energy output – check your country’s rules
Modify Pin sold separately for higher shot count (lower Joules)
Assembly video available on our YouTube channel
🔥 Why this kit?
Before we launched our EX25 valves and Tec9 builds, this was the cleanest way to get real power with your stock HDR50. Still a top pick if you want full performance with the factory valve – and zero compromises in looks or function.
💡 Note: For best performance, we recommend adding a suitable Power Kit that matches your specific marker model.
This is not included in the package, as there are different versions for each model.
The Power Kit provides additional power and ensures better sealing under increased pressure and gas flow – a perfect addition to your upgrade components.
👉 Find the right Power Kit for your marker here » Power-Kits
Need help choosing the correct version? Contact us via chat or email anytime.
⚠️ Legal & Safety Notice
The purchase and ownership of this kit is legal. Installation in Germany is prohibited due to the significant power increase and may void warranty.
This is not an official Umarex product.
Make sure your setup complies with local laws.
Use responsibly. Sale only to adults (18+).
We have many other interesting tuning parts and ammunition for your marker!
Check out our collection and choose your marker.
Collections
Responsible Person in the EU and Application & Safety Instructions
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy