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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.
Apr 17, 2026Z-RAM
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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.
Aug 17, 2025Z-RAM
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Umarex T4E HDR50/TR50 Upgrade Guide: Complete CO₂ and HPA Video Series
Follow the three Umarex T4E HDR50/TR50 videos as one connected series that ends in either a 12 g CO₂ setup or a separate HPA conversion, with exact package boundaries.
Jan 13, 2025Z-RAM
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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.
Sep 10, 2026Z-RAM
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Umarex T4E HDR50/TR50 Service Kit: Contents, Fit and Maintenance
A maintenance-focused guide to the original Umarex T4E HDR50/TR50 .50 Service Kit, its exact contents and its limits.
Jul 13, 2024Z-RAM
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