Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Z-RAM Starterkit: Firing Bolt + Powerkit.50 V2 + Z-Extension for Umarex HDR50 TR50, export valve, Gen2 + Gen1 , 7.5j version 25-35JZ RAM Firing Bolt + Powerkit. 50 V2 + Z Extension for Umarex HDR50 TR50, export valve, Gen2 + Gen1 , 7. 5j version 25 35J Up to 25 35+ Joules For Gen1 & Gen2 (7. 5J Version) Want to turn your 7. 5J Umarex HDR50 TR50 into a true powerhouse? This 3 in 1 combo gives you everything you need: the Powerkit. 50 V2 for serious output, a stainless Z RAM Bolt for stress free installation and the legendary Z Extension for even more punch. Expect up to 35+ Joules
Z-RAM Firing Bolt + Powerkit.50 V2 + Z-Extension for Umarex HDR50 TR50, export valve, Gen2 + Gen1 , 7.5j version 25-35J
🔥 Up to 25-35+ Joules | For Gen1 & Gen2 (7.5J Version)
Want to turn your 7.5J Umarex HDR50 / TR50 into a true powerhouse? This 3-in-1 combo gives you everything you need: the Powerkit.50 V2 for serious output, a stainless Z-RAM Bolt for stress-free installation – and the legendary Z-Extension for even more punch. Expect up to 35+ Joules with this setup. Built for performance, made to last.
✔️ Plug & play
✔️ Up to 35+ Joules – even more with long barrel & HPA
✔️ Works with Gen1 & Gen2 (7.5J factory version)
🔧 What’s Inside
▪️ Powerkit.50 V2 for HDR50 / TR50 Gen1 + Gen2 (7.5J)
• Designed for HDR50/TR50 Gen1 + Gen2 (7.5J)
• CNC stainless steel Power-Pin
• Enlarged valve port + longer opening time
• Insert fits directly – no throttle required
• Output: 20–30J depending on setup & temp
• Drop-in ready – reversible mod
▪️ Z-RAM Stainless Steel Bolt
• CNC-machined steel
• Accepts our Power-Pin directly
• No need to remove fragile Umarex Pin
• Fits HDR50, TR50, HDP50, TP50
▪️Z-RAM Z-Extension
• CNC steel body – high-volume design
• Adds minimum +8 Joules output
• Even more boost with long barrels or HPA
• Stackable screw-on design
• Also fits FSC, TCP, T8.1, T9.1 (adapter required)
📦 In the Box
✔️ 1x Powerkit.50 V2 (Insert + Pin)
✔️ 1x Z-RAM Steel Bolt
✔️ 1x Z-RAM Z-Extension
✔️ 1x O-Ring for Z-Extension (13.5 × 10 × 1.75 mm)
✔️ 1x Allen key (2.5 mm)
✔️ 1x Mounting screw
▶️ 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+)
▶️ 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:
- 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