First Strike FSC Z-Extension, Part 1: 51 J and 67 J Comparison with a 7-Inch Barrel
Z-RAM compares the First Strike FSC with and without the Z-Extension, using the Z-Mag, 20 g capsules, Z.68s projectiles and a 7-inch barrel.
Read guide
Z-RAM GUIDE
Z-RAM technical knowledge
Guides Z-RAM
Practical product, compatibility and installation guides for Z-RAM systems.
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.
Read guide
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.
Read guide
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.
Read guide
Z.68s Length and Weight: Why Longer Does Not Mean Heavier
The Z.68s presentation describes a longer profile than the 8.5 g Z.68v2 shown beside it. But Z.68v2 also exists as a 10 g version, so the longer S design is not simply the heaviest...
Read guide
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.
Read guide
Z-RAM .68 Projectiles: Solid Steel or a Coated Steel Core?
Z.68v2 is described as a solid CNC-machined steel projectile. The military-green coated ball instead has a chrome-steel core inside a polymer shell; the steel content does not make their outer surfaces or shape the...
Read guide
Z-RAM Projectiles: From Prototype Feedback to CNC Production
Z-RAM uses Z.68 as an example of professional production reproducing its specifications more precisely than hand-made prototypes. Current projectile descriptions separately identify CNC manufacture, solid steel and surface finish.
Read guide
Does Z-RAM Sell Complete RAM Markers or Only Parts?
Z-RAM is a parts and accessories shop, not a source of complete RAM markers. A Full body kit and a Complete firing bolt assembly are two different component packages—not complete markers.
Read guide
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.
Read guide
Z.68v2’s Rounded Sides: What Changed Without Changing 8.5 g
The earlier Z.68v2 presentation describes rounder sides intended to reduce contact and the chance of catching in the barrel or magazine. It keeps the stated 8.5 g weight, separating a shape change from a...
Read guide
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.
Read guide