Z-RAM Starterkit: Powerkit.50 V2 + Z-Extension for Umarex HDR50 TR50, export valve for Gen2+Gen1 11J Version (25-35 Joule+)

Z-RAM Starterkit: Powerkit.50 V2 + Z-Extension for Umarex HDR50 TR50, export valve for Gen2+Gen1 11J Version (25-35 Joule+)Powerkit. 50 V2 + Z Extension for HDR50 TR50, export valve, Maximum Power for Gen2+Gen1 11J Version (25 35 Joule+) Up to 25 35+ Joules Built for Gen1 & Gen2 Looking to max out your Umarex HDR50 TR50? This 2 in 1 combo takes your 11J revolver straight to the top. Youll get brutal output, smoother operation and zero stress during installation. Includes our best selling Powerkit. 50 V2, and the Z Extension for a 25 35 Joule boost. All built for one

Powerkit.50 V2 + Z-Extension for HDR50 TR50, export valve, Maximum Power for Gen2+Gen1  11J Version (25-35 Joule+)

🔥 Up to 25-35+ Joules | Built for Gen1 & Gen2

Looking to max out your Umarex HDR50 / TR50? This 2-in-1 combo takes your 11J revolver straight to the top. You’ll get brutal output, smoother operation – and zero stress during installation. Includes our best-selling Powerkit.50 V2, and the Z-Extension for a 25-35 Joule boost. All built for one thing: maximum performance.

✔️ Plug & play
✔️ Up to 35+ Joules. With long barrel + HPA much more.
✔️ Designed for 11J Gen1 & Gen2

🔧 What’s Inside

▪️ Powerkit.50 V2 for 11J HDR50 / TR50
• Designed for 11J HDR50/TR50 (Gen1 + Gen2)
• Enlarged pressure volume
• Longer valve opening = more gas per shot
• Shortened Power-Pin (stainless steel)
• Output: 20–30+ Joules on CO₂
• Drop-in ready – reversible mod

▪️ Z-RAM Z-Extension
• CNC steel body
• Increases internal volume for higher output
• Min. +8 Joules extra – even more with long barrel or HPA
• Screw-on design – stackable
• Also fits FSC, TCP, T8.1, T9.1 (with adapter – sold separately)

📦 In the Box
✔️ 1x Powerkit.50 (Insert + Pin)
✔️ 1x Z-RAM Z-Extension
✔️ 1x O-Ring for Z-Extension (13.5 × 10 × 1.75 mm)
✔️ 1x Allen key (2.5 mm)

▶️ Watch install video on YouTube: [Link]

💥 Pro Tip:
For best performance, we recommend removing the valve disk and chamber block inside. Combine with Tuning Barrels for maximum results.

⚠️ Legal & Safety Notes
• Not an official Umarex product
• Installation prohibited in Germany
• May void your warranty
• Check your local laws – max. 7.5 Joules in DE
• Sale only to adults (18+)

▶️ Need help finding the right setup or have questions? We’re happy to help you build your ultimate TR50/HDR50 powerhouse.

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