SKU: 42150447379

Z-RAM Starterkit: Firing Bolt + Powerkit.50 V2 for Umarex HDR50 TR50, export valve, Gen2 + Gen1 , 7.5j version 20-30J

Sale price$47.01 Regular price$52.23
Save 10%

Pay in installments of $13.06 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 29 - Sep 3

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Z-RAM Starterkit: Firing Bolt + Powerkit.50 V2 for Umarex HDR50 TR50, export valve, Gen2 + Gen1 , 7.5j version 20-30JZ RAM Firing Bolt + Powerkit. 50 V2 for Umarex HDR50 TR50, export valve, Gen2 + Gen1 , 7. 5j version 20 30J Includes Powerkit. 50 V2 + Z RAM Stainless Steel BoltOutput: up to 30 Joules Take your Umarex HDR50 TR50 to the next level with this high performance combo! The Powerkit. 50 V2 delivers massive output (2030J), and the included Z RAM Stainless Steel Bolt lets you skip the nightmare of removing the factory aluminum pin which often breaks or gets

Z-RAM Firing Bolt + Powerkit.50 V2 for Umarex HDR50 TR50,  export valve,  Gen2 + Gen1 , 7.5j version 20-30J

 

Includes Powerkit.50 V2 + Z-RAM Stainless Steel Bolt
Output: up to 30 Joules

Take your Umarex HDR50 / TR50 to the next level with this high-performance combo! The Powerkit.50 V2 delivers massive output (20–30J), and the included Z-RAM Stainless Steel Bolt lets you skip the nightmare of removing the factory aluminum pin — which often breaks or gets damaged. Just screw the new pin into the steel bolt, drop everything in, and go. Easy install. Big results.

💡 Why this combo saves you stress:
Removing the original Power-Pin from the factory bolt is a major pain — it’s press-fitted, fragile, and frustrating. This kit solves that by giving you a ready-to-install steel bolt. Time saved. Nerves spared.

 

🔧 What’s Inside
▪️ Powerkit.50 V2 for HDR50 / TR50 Gen1 + Gen2 (7.5J)
• CNC stainless steel Power-Pin
• Enlarged valve port (1.5 mm)
• Hex bore in the pin (2.5 mm)
• Insert fits directly into pressure chamber – no throttle needed
• Output: 20–30J depending on setup & temp
• Reversible installation
• Smoother gas flow, longer valve time, less cooldown

▪️ Z-RAM Stainless Steel Bolt
• Made for HDR50 / TR50 & HDP50 TP50
• Durable steel construction
• No original pin removal needed – just screw in the new one
• Not an original Umarex part

 

📦 Scope of Delivery

 

🔧 Installation Tip
For best performance, we recommend removing the valve disk and chamber block inside the grip. Combine with Z-Extension and Tuning Barrels for maximum results.

 

⚠️ Legal & Safety Notice
The purchase and ownership of this kit is legal. Installation in Germany is prohibited due to the significant power increase and may void warranty.
This is not an official Umarex product.
Make sure your setup complies with local laws.
Use responsibly. Sale only to adults (18+).

 

▶️ Any questions? We're happy to help you build your perfect HDR50 / TR50 monster setup.

 

We have many other interesting tuning parts and ammunition for your marker!
Check out our collection and choose your marker.

Collections

 

Responsible Person in the EU and Application & Safety Instructions

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 42150447379

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.6 ★★★★★
Based on 7 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
A
Verified Purchase
Addison Manley
Draper, US
★★★★★ 4
Good quality, bad packaging
Size: One Size, Color: Black
Really good quality. It last a lot time but it came with the lid off. Like it was loose in the box so the packaging was not great but quality is good!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 18, 2025
P
Verified Purchase
PJD
Bozeman, US
★★★★★ 5
SIMPLY PERFECT
Size: 30mm, Color: Brown/Silver-Tone/White/30mm
If you can appreciate a watch that simply tells time, buy this beautiful watch. The band is made of quality leather, it’s easy to adjust to fit and stays in place. The watch face is clean, bright and easy to read the accurate time. The functionality to light the face by pressing the wind button in is a thoughtful feature. The watch is water “resistant” (you can wear the watch when washing dishes), but I wouldn’t shower with it on or submerge it in water just in case. This watch accessorizes with anything I’m wearing in an understated way. TIMEX is a time-proven quality watch maker and this particular watch is a great value! I highly recommend this simply perfect and beautiful watch.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 5, 2026
S
Verified Purchase
Sandra
Cuba, US
★★★★★ 5
Love this!
Size: 30mm, Color: Brown/Silver-Tone/White/30mm
Love this. It’s easy to read, but not too big. Just what I wanted. Love the band too!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
S
Verified Purchase
Sunshine
San Leandro, US
★★★★★ 5
5 stars!!! Just what I was looking for!
Size: 30mm, Color: Brown/Silver-Tone/White/30mm
This watch was just what I needed! Elastic bands had become too tight on my wrist and added to problems I was having. Quality is excellent as would be expected from Timex! The indigo light is an added bonus. Very nice watch for anyone! Easy to read quickly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026
S
Verified Purchase
S.
Waukegan, US
★★★★★ 4
Perfect EXCEPT for the Noise
Size: 30mm, Color: Pink/Rose Gold-Tone/Cream/30mm, Size: 30mm, Color: Pink/Rose Gold-Tone/Cream/30mm
My ideals for a watch are: full numerals, easy to read (good contrast and numbers, lines for the minutes and hours), light up function, case under 33mm, swappable bands, and preferably cute, in either silver color or rose gold color. This one checks all the boxes... And is the only one I've found which does. You can see on the picture that I replaced the band. Now here's the problem... The watch is LOUD! The analog watch I'm replacing is entirely quiet except when brought to the ear. This one... I hear it from feet away. My husband hears it from feet away too. I've tried two of the same model and they're equally loud. It gets distracting for me. Not at night, as the blankets mute it up, but during the day. Holding my phone typing this up, or during work, conversations... even when driving I hear it over the engine and traffic noise, because the driving position brings it closer to me, tick tick tick tick. It's impressive how that sound can carry. I've read on the internet a few people saying they improved the noise of their Timex watches by removing the hand that does the seconds. I love having it but I might just get desperate enough to try this little operation. This is the perfect watch for me except for that problem. So sad. (EDIT: I did end up trying to remove the seconds hand. It did quiet down the watch. Unfortunately, I also broke the watch in the process of putting it back together. I've decided to cut my losses and I'm now wearing a Fossil Carlie Mini (roughly $100, and available on Amazon, entirely quiet). Doesn't light up or have full numerals but what can you do. I wear a cheap digital that can light up at night and make do.)
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 17, 2026

recommand products