Search results

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.

Nov 6, 2025Z-RAM
Read more
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.

Jul 13, 2026Z-RAM
Read more
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...

Jun 16, 2024Z-RAM
Read more
Milsig/Valken M17HC Receiver Pins: Do They Fit M17 G3?

Milsig/Valken M17HC Receiver Pins: Do They Fit M17 G3?

The two-piece M17HC receiver-pin set is also listed for M17 G3. Compare that confirmed fit with the older-model mag-latch kit before choosing M17 replacement parts.

May 15, 2024Z-RAM
Read more
Umarex HDR50/HDP50 Z-RAM Firing Bolt: Does the Bare Bolt Add Power?

Umarex HDR50/HDP50 Z-RAM Firing Bolt: Does the Bare Bolt Add Power?

Understand the standalone bolt’s role, what is not included, and why the HDR50/HDP50 and HDR68/TR68 offers should remain separate purchase choices.

Dec 14, 2025Z-RAM
Read more
Z-RAM Powerkit.68 V2 for Umarex HDB68/TB68: 7.5-J and 16-J Fit

Z-RAM Powerkit.68 V2 for Umarex HDB68/TB68: 7.5-J and 16-J Fit

The current HDB68/TB68 Powerkit.68 V2 lists 16-J versions and contains a valve pin and Allen key. Distinguish the pin’s confirmed fit, a separate restrictor and the Modify PIN generation labels.

Mar 24, 2025Z-RAM
Read more
Umarex HDR50/TR50 Tuning Comparison: Z-Extension, PowerKit and HPA up to 47 Joules

Umarex HDR50/TR50 Tuning Comparison: Z-Extension, PowerKit and HPA up to 47 Joules

Follow Z-RAM's historical HDR50/TR50 comparison of the Z-Extension, PowerKit, Modify Pin and HPA, with original test conditions and results up to 47 joules.

Aug 9, 2024Z-RAM
Read more
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...

Jun 2, 2025Z-RAM
Read more
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.

Dec 25, 2025Z-RAM
Read more
Umarex HDB68/TB68 PowerKit V2: Current Versions and the 50+ J Claim

Umarex HDB68/TB68 PowerKit V2: Current Versions and the 50+ J Claim

The current HDB68/TB68 PowerKit V2 page names three original energy versions while retaining a 7.5-Joule title. Its steel-pin function is clear; the 50+ Joule advertising mixes output and gain language.

May 9, 2026Z-RAM
Read more
Umarex HDR68/TR68 Powerkit.68 V2: Mounting Screw and O-Ring Contents

Umarex HDR68/TR68 Powerkit.68 V2: Mounting Screw and O-Ring Contents

A missing mounting screw and a missing O-ring are two different questions. Compare the exact 7.5 J and 16 J Powerkit.68 V2 packages before assuming either is incomplete.

Nov 22, 2025Z-RAM
Read more
Umarex HDR50/TR50 Z-Extension Performance Series: Preparation — Part 1

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.

Jun 13, 2025Z-RAM
Read more
First Strike FSC Z-Extension CO₂ Test: What 51 to 67 Joules Shows

First Strike FSC Z-Extension CO₂ Test: What 51 to 67 Joules Shows

The older FSC CO₂ demonstration reports 51 and 67 Joules under its stated conditions. It supports a specific observed difference, not a fixed gain for every chamber kit.

Oct 13, 2026Z-RAM
Read more
Umarex HDR50/TR50 Starterkits: What the 25–35-Joule Packages Include

Umarex HDR50/TR50 Starterkits: What the 25–35-Joule Packages Include

Compare Z-RAM’s three-part HDR50/TR50 Starterkits: the advertised 25–35-Joule class, valve-and-pin function, steel bolt and added chamber volume. The 11-Joule offer retains an unresolved output-versus-gain wording issue.

Mar 19, 2025Z-RAM
Read more
Umarex HDR68/TR68 Part 1: PowerPin for More Power and Z-Extension Preparation

Umarex HDR68/TR68 Part 1: PowerPin for More Power and Z-Extension Preparation

Part 1 of Z-RAM’s Umarex HDR68/TR68 series covers the PowerPin, the power-versus-shot-count tradeoff, and preparation for a Z-Extension or ASA adapter.

Sep 29, 2025Z-RAM
Read more
Umarex HDP50/TP50 Starterkits: 20–30 J or 25–35 J with Z-Extension?

Umarex HDP50/TP50 Starterkits: 20–30 J or 25–35 J with Z-Extension?

The HDP50/TP50 Starterkit offers combine a PowerKit and steel bolt, with a separate larger package that also includes Z-Extension. Compare the four actual offers by original version, supplied parts and...

May 1, 2025Z-RAM
Read more