Pay in installments of $25.75 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 20 - Aug 25
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Z-RAM Starterkit: Firing Bolt + Powerkit.50 V2 + Z-Extension for Umarex HDP50 TP50, export valve, Gen2 + Gen1 , 7.5j version 25-35JZ RAM Firing Bolt + Powerkit. 50 V2 + Z Extension for Umarex HDP50 TP50, export valve, Gen2 + Gen1 , 7. 5j version 25 35J Up to 25 35+ Joules Built for Gen1 & Gen2 Want to unlock the full potential of your Umarex HDP50 TP50? This all in one upgrade delivers exactly that. With the Powerkit. 50 V2, Z RAM Stainless Steel Bolt and our powerful Z Extension, youll get a massive performance boost and stress free installation. Designed for 7. 5J factory
Z-RAM Firing Bolt + Powerkit.50 V2 + Z-Extension for Umarex HDP50 TP50, export valve, Gen2 + Gen1 , 7.5j version 25-35J
🔥 Up to 25-35+ Joules | Built for Gen1 & Gen2
Want to unlock the full potential of your Umarex HDP50 / TP50? This all-in-one upgrade delivers exactly that. With the Powerkit.50 V2, Z-RAM Stainless Steel Bolt and our powerful Z-Extension, you’ll get a massive performance boost and stress-free installation. Designed for 7.5J factory models – and ready to hit 25–35+ Joules right out of the box.
✔️ Plug & play installation
✔️ Up to 35+ Joules – more with long barrel + HPA
✔️ For Gen1 & Gen2 HDP50 / TP50
🔧 What’s Inside
▪️ Powerkit.50 V2 for HDP50 / TP50 Gen1 + Gen2 (7.5J)
• Made for 7.5J HDP50 / TP50 Gen1 + Gen2
• Enlarged valve port + longer valve opening
• CNC Power-Pin (stainless steel, 2 mm shorter)
• Insert fits pressure chamber directly – no throttle needed
• Output: 20–30J depending on setup & temp
• Drop-in mod – reversible
▪️ Z-RAM Stainless Steel Bolt
• CNC-machined steel – heavy-duty & precise
• Accepts our Power-Pin directly
• No fragile Umarex Pin removal needed
• Fits HDR50, TR50, HDP50, TP50
▪️Z-RAM Z-Extension
• Increases internal volume for stronger shots
• CNC steel – stackable design
• +8 Joules minimum boost – even more with barrel & HPA
• Fits most Umarex RAM markers
• Also works with 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 Chamber 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