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Z-RAM ZDR50 vs ZDR50v2 for Umarex HDR50/TR50: Which Housing Is Which?

Z-RAM ZDR50 vs ZDR50v2 for Umarex HDR50/TR50: Which Housing Is Which?

The original ZDR50 is the housing introduced around HDR50/TR50 internals and a concealed Z-Extension. ZDR50v2 is a separate body-kit design associated with the EX25 valve. Black housing and grip-color choices...

30. mar 2025Z-RAM
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Umarex HDR50/TR50: Z-RAM Tec9 Full or Original ZDR50 Body?

Umarex HDR50/TR50: Z-RAM Tec9 Full or Original ZDR50 Body?

Tec9 Full combines an HDR50/TR50 body shell, three-drum holder and modular barrel cover. The original ZDR50 Black offer focuses on its housing and grip, with a matching cover sold separately....

4. nov 2024Z-RAM
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Z-RAM ZDR50 Case for the Umarex HDR50/TR50: Hidden Z-Extension, Colors and Assembly

Z-RAM ZDR50 Case for the Umarex HDR50/TR50: Hidden Z-Extension, Colors and Assembly

Z-RAM's complete historical ZDR50 case presentation: smoother black and silver finishes, grip colors, a concealed Z-Extension and the original assembly.

13. okt 2024Z-RAM
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Umarex HDR50/TR50 ZDR50 CO₂ Packages: 35 J with 12g or 23 J with EX25?

Umarex HDR50/TR50 ZDR50 CO₂ Packages: 35 J with 12g or 23 J with EX25?

Z-RAM’s two ZDR50 CO₂ packages use different valve and chamber arrangements. Compare the 35-Joule original ZDR50 offer with the 23+ J EX25-based ZDR50v2 package and its threaded-cartridge format.

25. des 2025Z-RAM
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Z-RAM ZDR50 V2 Valve for the Umarex HDR50/TR50: More Shots and Tests up to 38 Joules

Z-RAM ZDR50 V2 Valve for the Umarex HDR50/TR50: More Shots and Tests up to 38 Joules

Z-RAM's historical ZDR50 V2 valve presentation covers threaded 16, 20 and 25 g capsules, the matching case and full HDR50/TR50 tests up to 38 joules.

16. sep 2024Z-RAM
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Z-RAM ZDR50v2 Body Kit: HDR50-L Barrel Fit and EX25 Contents

Z-RAM ZDR50v2 Body Kit: HDR50-L Barrel Fit and EX25 Contents

The identified ZDR50v2 and HDR50-L tuning-barrel combination received a positive support answer. The body kit and EX25 upgrade package still have different supplied contents.

26. jan 2026Z-RAM
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Umarex HDR50/TR50: Z-RAM EX25 and Unthreaded 12g CO₂

Umarex HDR50/TR50: Z-RAM EX25 and Unthreaded 12g CO₂

The EX25 capsule interface is different from the ordinary unthreaded 12g arrangement. Here is how to separate the valve, its listed capsules and the ZDR50v2 housing.

14. mai 2026Z-RAM
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Umarex HDR50/TR50: 520 FPS and About 77 J with HPA — Part 3

Umarex HDR50/TR50: 520 FPS and About 77 J with HPA — Part 3

Part 3 of Z-RAM’s Umarex HDR50/TR50 series: the HPA setup, 520 FPS and about 77 J results, barrel extensions, bundle contents and ZDR50 V2 comparison.

17. aug 2025Z-RAM
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Umarex HDR50/TR50 Tec9 HPA Package: Inside Z-RAM’s 80-Joule Offer

Umarex HDR50/TR50 Tec9 HPA Package: Inside Z-RAM’s 80-Joule Offer

Z-RAM advertises up to 80 Joules for its HDR50/TR50 Tec9 HPA package. The offer combines the Tec9 exterior, barrel equipment and HPA accessories; the marker and a model-specific PowerKit are...

29. jan 2025Z-RAM
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Z-Extension for the Umarex HDR50/TR50: The Original Housing-Adaptation Demonstration

Z-Extension for the Umarex HDR50/TR50: The Original Housing-Adaptation Demonstration

The historical Z-RAM Z-Extension demonstration for the Umarex HDR50/TR50: housing adaptation, prototype details, stated benefits and the shop announcement.

8. jul 2024Z-RAM
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Umarex HDR50/TR50 Tec9 Body Kit: Build and Presentation

Umarex HDR50/TR50 Tec9 Body Kit: Build and Presentation

Z-RAM presents the Tec9 body kit for Umarex HDR50/TR50, its assembly, EX25 valve, drum holders, barrel covers and short or long configurations.

31. mai 2026Z-RAM
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Z-RAM Projectiles, Calibers and Shop Tour: Z.68, Z.50 and Accessories

Z-RAM Projectiles, Calibers and Shop Tour: Z.68, Z.50 and Accessories

Z-RAM presents Z.68v2, Z.68S, Z.50 and Z.50 V2 projectiles, their stated compatibility, the Z-Drum and Z-Mag, plus the original shop offers.

10. sep 2026Z-RAM
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Z-RAM Z-Extension: Fit, Adapters and Performance Variables

Z-RAM Z-Extension: Fit, Adapters and Performance Variables

Understand how the Z-RAM Z-Extension changes chamber volume, then choose the exact Umarex T4E, First Strike or Tiberius platform route and keep every result configuration-specific.

28. jan 2024Z-RAM
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Umarex T4E HDR50/TR50 oppgraderingsguide: komplett CO₂- og HPA-videoserie

Umarex T4E HDR50/TR50 oppgraderingsguide: komplett CO₂- og HPA-videoserie

Følg de tre Umarex T4E HDR50/TR50-videoene som én sammenhengende serie som avsluttes enten med et 12 g CO₂-oppsett eller en separat HPA-konvertering, med nøyaktige pakkebegreper.

13. jan 2025Z-RAM
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Z-RAM EX25 vs Z-MAG: Why 16g and 20g CO₂ Labels Do Not Prove Fit

Z-RAM EX25 vs Z-MAG: Why 16g and 20g CO₂ Labels Do Not Prove Fit

EX25 and Z-MAG both name 16 g and 20 g CO₂ capsules, but their capsule connections differ. The EX25 valve takes threaded formats; the Z-MAG magazine frame uses non-threaded formats...

17. des 2024Z-RAM
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