Z-RAM Powerkit.50 V2 for HDR50 TR50, export valve, Maximum Power for Gen2+Gen1 11J Version (20-30Joule+)

Z-RAM Powerkit.50 V2 for HDR50 TR50, export valve, Maximum Power for Gen2+Gen1 11J Version (20-30Joule+)Powerkit. 50 V2 for Umarex TR50 HDR50, export valve for 11J Version (20 30Joule+) Ready to take your HDR50 TR50 (11J) to the next level? This maximum power version of our Powerkit. 50 is designed specifically for Umarex revolvers that already come with the 11J factory setup and turns them into serious powerhouses with over 30 joules possible (depending on conditions and setup). Built from high strength aluminum and stainless steel, this drop in

Powerkit.50 V2 for Umarex TR50 HDR50, export valve for 11J Version (20-30Joule+)

Ready to take your HDR50 / TR50 (11J) to the next level? This maximum power version of our Powerkit.50  is designed specifically for Umarex revolvers that already come with the 11J factory setup – and turns them into serious powerhouses with over 30 joules possible (depending on conditions and setup).

Built from high-strength aluminum and stainless steel, this drop-in upgrade optimizes gas flow, valve duration, and efficiency for maximum performance – while remaining fully reversible.

💥 Looking for more? Combine it with one of our Z-Extension or Tuning Barrels for a next-level setup.

✔️ Highlights
▪️ Specifically for Umarex HDR50 / TR50 – 11J version only
▪️ High-strength aluminum valve insert – no throttle needed
▪️ Enlarged gas volume, longer valve opening time
▪️ Reduced cool down – more consistent shots
▪️ Stainless steel valve pin – polished for smooth action & seal protection
▪️ +20 to 30 Joules* performance
▪️ Installation can be undone anytime – no permanent modification

(*CO₂ temperature dependent – for best results, keep capsules at room temperature.)

📦 Included in delivery
▪️ 1x Pressure chamber insert (aluminum)
▪️ 1x Shortened valve pin (2 mm shorter than standard)

⚠️ Important Notices

• Not suitable for paintball

• Only for use with 11J HDR50 / TR50 (not for 7.5J models!)

• Not an original Umarex part

• Installation is prohibited in Germany and voids warranty

• Use at your own risk – buyer is fully responsible for legal compliance

• Sale only to adults (18+)

Have questions or need a complete HDR50 / TR50 tuning setup? Let us help you build it right.

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