SKU: 58394658999

Z-RAM StarterKit: Firing Bolt + Powerkit.50 V2 for Umarex HDP50 TP50, export valve, Gen2 + Gen1 , 7.5j version 20-30J

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Description

Z-RAM StarterKit: Firing Bolt + Powerkit.50 V2 for Umarex HDP50 TP50, export valve, Gen2 + Gen1 , 7.5j version 20-30JZ RAM Firing Bolt + Powerkit. 50 V2 for Umarex HDP50 TP50, 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 HDP50 TP50 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 HDP50 TP50,  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 HDP50 / TP50 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 HDP50 / TP50 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.

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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: 58394658999

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Ron in Ohio
New York, US
★★★★★ 3
Nice fit but loose in the collar …
Color: 2 Pack(black+white), Size: X-Large
Quality material. A little loose in the collar.
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Reviewed in the United States on March 2, 2025
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Lizzy
Bozeman, US
★★★★★ 5
True to size and value for your money.
Size: 8.5, Color: Cognac
Got these for my husi. He was very pleased with the look and feel of it. Danced all night at his sister’s wedding. These bad boys were perfect with his sage coloured suit! He is an 8 1/2 and we got his exact size Fit perfectly with no complaints. Material is really strong too and the price was the best overall.
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Reviewed in the United States on December 5, 2025
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Elmer Castillo
Carnegie, US
★★★★★ 5
Tommy Hilfiger Berton
Size: 9, Color: Cognac
I bought these boots and I love how they fit. I wear them a lot for work. I really love them, they're a great product and I recommend them.
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Reviewed in the United States on March 6, 2026
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Mickey
Chelsea, US
★★★★★ 5
Excellent quality for a good price
Size: 7.5, Color: Black
Excellent fit. Well made...Tried them on for a bit but haven't really taken them out yet. But they are great boots, look fantastic. Comfortable fit. Cheap, for what you get.
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Reviewed in the United States on May 1, 2025
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Taowalker
Chelsea, US
★★★★★ 4
Decent value on comfortable motorcycle boot
Size: 11, Color: Black
I would give 5 stars, except I don't ever give 5. But these are 4.87. My feet don't like hard soles, but these boots are pretty comfy. I buy "dress" boots to ride a motorcycle, long story. My favorite was discontinued, and I dislike designer anything. But, these weren't toooo expensive, and turns out, they're comfortable enough, good-looking, and excellent for motorcycling.
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Reviewed in the United States on December 17, 2025

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