Pay in installments of $16.00 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
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
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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