Pay in installments of $26.30 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: Firing Bolt + Powerkit.50 + Z-Extension for Umarex TR50 HDR50 13J Version | GEN.2 | Exportventil | 25-35J+Z RAM Firing Bolt + Powerkit. 50 + Z Extension for Umarex TR50 HDR50 13J (GEN. 2) 2535+ Joules Built for GEN. 2 (13J Version) Looking to turn your Umarex TR50 HDR50 into a true powerhouse? This 3 in 1 combo gives you the tools to break limits clean install, brutal output, and zero stress. Includes the Powerkit. 50 for max gas flow, our CNC steel bolt for hassle free installation, and the Z Extension for that extra punch. All drop in ready. Plug & play
Z-RAM Firing Bolt + Powerkit.50 + Z-Extension for Umarex TR50 / HDR50 13J (GEN.2)
🔥 25–35+ Joules | Built for GEN.2 (13J Version)
Looking to turn your Umarex TR50 / HDR50 into a true powerhouse? This 3-in-1 combo gives you the tools to break limits – clean install, brutal output, and zero stress. Includes the Powerkit.50 for max gas flow, our CNC steel bolt for hassle-free installation, and the Z-Extension for that extra punch. All drop-in ready.
✔️ Plug & play
✔️ Up to 35+ Joules – with long barrel & HPA even more
✔️ For 13J GEN.2 TR50 / HDR50
🔧 What’s Inside
▪️ Powerkit.50 for TR50 / HDR50 13J GEN.2
• CNC stainless steel Power-Pin
• Enlarged valve port (1.5 mm)
• Hex bore (2.5 mm) for gas expansion
• Allen screw mounting – fast & reversible
• Max gas flow, longer valve open time
• Output: 20–30+ Joules on CO₂
▪️ Z-RAM Stainless Steel Bolt
• CNC-machined steel
• Designed for TR50, HDR50, HDP50, TP50
• Accepts Power-Pin directly
• No fragile Umarex Pin removal needed
• Built to last
▪️Z-RAM Z-Extension
• CNC steel construction
• Boosts chamber volume for extra output
• Adds minimum +8 Joules – even more with tuning 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 Chamber Extension
✔️ 1x O-Ring for Z-Extension (13.5 × 10 × 1.75 mm)
✔️ 1x Allen key (2.5 mm)
💥 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