Pay in installments of $26.30 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 5 - Aug 10
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Z-RAM Starterkit: Firing Bolt + Powerkit.50 + Z-Extension for Umarex TP50 HDP50 13J Version | GEN.2 | Exportventil | 25-35 J+Z RAM Firing Bolt + Powerkit. 50 + Z Extension for Umarex TP50 HDP50 13J Version GEN. 2 Exportventil 25 35 J+ 2535+ Joules Built for GEN. 2 (13J Version) Want more output with less stress? This 3 in 1 combo takes your Umarex TP50 HDP50 (13J Gen. 2) to the next level. Includes the Powerkit. 50 for serious performance, our CNC stainless steel bolt and the Z Extension to unleash the full potential of your marker. No shell mods needed. Just screw in, lock
Z-RAM Firing Bolt + Powerkit.50 + Z-Extension for Umarex TP50 HDP50 13J Version | GEN.2 | Exportventil | 25-35 J+
🔥 25–35+ Joules | Built for GEN.2 (13J Version)
Want more output with less stress? This 3-in-1 combo takes your Umarex TP50 / HDP50 (13J Gen.2) to the next level. Includes the Powerkit.50 for serious performance, our CNC stainless steel bolt – and the Z-Extension to unleash the full potential of your marker. No shell mods needed. Just screw in, lock it, and shoot.
✔️ Plug & play
✔️ Up to 35+ Joules – even more with long barrel & HPA
✔️ For 13J GEN.2 TP50 / HDP50
🔧 What’s Inside
▪️ Powerkit.50 for TP50 / HDP50 13J GEN.2
• CNC stainless steel Power-Pin
• Enlarged valve port (1.5 mm)
• Hex bore (2.5 mm) for gas expansion
• Insert fits directly – no throttle needed
• Output: 20–30+ Joules on CO₂
• Allen screw mounting – quick & reversible
▪️ Z-RAM Stainless Steel Bolt
• CNC-machined from solid steel
• Designed for HDR50, TR50, HDP50, TP50
• Accepts the Power-Pin directly – No fragile Umarex Pin removal needed
• Durable, high-pressure ready
▪️Z-RAM Z-Extension
• CNC steel body – increases internal volume
• Adds minimum +8 Joules output
• Even more boost with long barrel or HPA
• Stackable screw-on design
• Also fits FSC, TCP, T8.1, T9.1 (adapter sold separately)
📦 In the Box
✔️ 1x Powerkit.50 (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)
▶️ 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+)
▶️ Questions? Drop us a message – we’ll help you build the perfect HDR50 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