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Umarex HDR50/TR50 Barrel and Z-Extension Test: 15 J to 25 J

Umarex HDR50/TR50 Barrel and Z-Extension Test: 15 J to 25 J

A historical HDR50 test reported 280 to 361 FPS and about 15 to 25 Joules. The result concerns the filmed barrel-and-Z-Extension arrangement, not either part alone.

3 août 2026Z-RAM
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First Strike FSC Power-Pin Test: 10-Inch vs 16-Inch Barrel Gains

First Strike FSC Power-Pin Test: 10-Inch vs 16-Inch Barrel Gains

The historical FSC test reported a larger average Power-Pin gain with the 10-inch barrel than with the 16-inch barrel. Here is what that comparison measures.

13 juil. 2026Z-RAM
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FSC PowerPin Test: 30.1 FPS More on Average with the 10-Inch Barrel

FSC PowerPin Test: 30.1 FPS More on Average with the 10-Inch Barrel

The historical FSC PowerPin comparison: three barrel lengths, a 30.1 FPS average gain with the 10-inch barrel, test conditions and the original caveats.

4 mai 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 janv. 2026Z-RAM
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Beeman BP50 ASA Tuning Chamber: HPA Performance and AL7075 Design

Beeman BP50 ASA Tuning Chamber: HPA Performance and AL7075 Design

The Beeman BP50 ASA chamber is an enlarged AL7075 replacement chamber supplied with a closure cap and seals. Its 80-Joule HPA headline needs to be read separately from the component’s...

23 avr. 2024Z-RAM
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Z-RAM Steel Assembly for First Strike FSC, TCP and Tiberius

Z-RAM Steel Assembly for First Strike FSC, TCP and Tiberius

The complete assembly addresses the chamber, plug, firing bolt and associated parts together; its model approval is not identical to the newer Extra Long chamber.

1 nov. 2025Z-RAM
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Umarex HDR68/TR68 PowerKit Packages: Valve, Steel Bolt and Z-Extension Benefits

Umarex HDR68/TR68 PowerKit Packages: Valve, Steel Bolt and Z-Extension Benefits

For the 16-J Umarex T4E HDR68/TR68, Z-RAM’s valve-only Powerkit.68 V2 advertises 30+ J, the firing-bolt starterkit states 30–35 J, and the full bolt/extension starterkit’s detailed description states 35–40 J. The...

2 juin 2025Z-RAM
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Umarex HDX68/TX68 PowerKit.68 V2: Performance and Stainless-Steel Pin Benefits

Umarex HDX68/TX68 PowerKit.68 V2: Performance and Stainless-Steel Pin Benefits

The HDX68/TX68 PowerKit.68 V2 is a stainless-steel valve-pin offer for the listed 7.5- and 16-Joule versions. Its advertised 30–40+ Joule output depends on conditions; it is not a fixed additional...

16 juin 2024Z-RAM
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First Strike FSC / PepperBall TCP: Power-Pin or Standard Steel Pin?

First Strike FSC / PepperBall TCP: Power-Pin or Standard Steel Pin?

A steel replacement pin and a Power-Pin serve different purposes. Understand the durability-focused standard-length option and why the Power-Pin is not a like-for-like maintenance replacement.

6 nov. 2025Z-RAM
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Umarex HDR68/TR68 Starterkits: Why the Stainless-Steel Firing Bolt Matters

Umarex HDR68/TR68 Starterkits: Why the Stainless-Steel Firing Bolt Matters

The replacement firing bolt is a practical reason to consider the HDR68/TR68 Starterkit rather than an individual PowerKit. Understand its role, the original-pin handling issue it avoids and the separate...

16 oct. 2025Z-RAM
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Z-RAM Steel Chamber for First Strike FSC: Fit, Contents and FSC XP Limit

Z-RAM Steel Chamber for First Strike FSC: Fit, Contents and FSC XP Limit

Compare the Z-RAM Steel Chamber Kit by exact contents and confirmed First Strike FSC/TCP and Tiberius T8.1/T9.1 fit, while keeping FSC XP unconfirmed.

6 déc. 2024Z-RAM
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First Strike FSC/TCP & Tiberius T8.1/T9.1 .684 Muzzle Brake Guide

First Strike FSC/TCP & Tiberius T8.1/T9.1 .684 Muzzle Brake Guide

A fit-first guide to the Z-RAM steel .684 muzzle brake for compatible threaded tuning barrels on FSC, TCP, T8.1 and T9.1 platforms.

2 oct. 2024Z-RAM
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IntruBuster Gen2 and NxWerks Pistelle X-68: Shared Muzzle Attachments

IntruBuster Gen2 and NxWerks Pistelle X-68: Shared Muzzle Attachments

Specific muzzle attachments share a confirmed thread connection; that does not make the Pistelle X-68 and IntruBuster Gen2 complete barrels interchangeable.

13 mars 2025Z-RAM
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First Strike FSC, Part 2: ASA-to-Chamber Adapter Installation and 85 J Test

First Strike FSC, Part 2: ASA-to-Chamber Adapter Installation and 85 J Test

Z-RAM installs the ASA-to-chamber adapter on the First Strike FSC, loads Z.68s projectiles and records up to 439 FPS with the 16-inch setup.

10 janv. 2026Z-RAM
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Guide de mise à niveau Umarex T4E HDR50/TR50 : série vidéo complète sur le CO₂ et le HPA

Guide de mise à niveau Umarex T4E HDR50/TR50 : série vidéo complète sur le CO₂ et le HPA

Suivez les trois vidéos Umarex T4E HDR50/TR50 comme une série continue qui se termine soit par une configuration au CO₂ de 12 g, soit par une conversion HPA séparée, avec...

13 janv. 2025Z-RAM
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Umarex HDR68/TR68 Tec9 Body Kit: Assembly and Modular Builds

Umarex HDR68/TR68 Tec9 Body Kit: Assembly and Modular Builds

Z-RAM presents its Tec9 body kit for Umarex HDR68/TR68, the full assembly, modular barrel covers, CO2 options and Z.68v3 and Z.68s projectiles.

16 mars 2026Z-RAM
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