Z.50 Prototype Tests: Standard Umarex HDR50/TR50 and Tuning-Kit Comparison
Z-RAM compares Z.50 prototypes in the 11 J HDR50 and tuning-kit setups, discusses the results and previews the next Smith & Wesson project.
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Umarex HDR50/TR50 Z-Extension Prototype: First Test and 50 FPS Difference
Z-RAM tests the HDR50 Z-Extension prototype with Devastators, compares barrel setups and presents the original October 2022 preorder offer.
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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.
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Umarex HDR50/TR50 Tec9: Long Version, XXL Barrel and CO2 Options
Z-RAM presents the long Umarex HDR50/TR50 Tec9 build, its XXL barrel extension, CO2 options, stock and projectiles, then demonstrates the conversion.
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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.
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Umarex HDR50/TR50: 35 J with 12 g CO2 — Part 2
Z-RAM’s Umarex HDR50/TR50 Part 2 compares Z-Extensions and tuning barrels with 12 g CO2, preserving the FPS tests, shot counts and stated 35 J result.
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Umarex HDR50/TR50 Z-Extension Performance Series: Preparation — Part 1
Part 1 of Z-RAM’s Umarex HDR50/TR50 performance series: Z-Extension preparation, 7.5 J and 11 J valve differences, housing work and planned tests.
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