Pay in installments of $9.75 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 3 - Aug 8
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Z-RAM Z-Extension Tuning chamber-extension for all Umarex T4E Typs & FSC/TCPTuning chamber extension (+8 joules min.) for Umarex HDR50 TR68 HDP50 HDB68 etc. For HDR50 TR50, HDP50 TP50, HDS, HDB now also for FSC, TCP, T8. 1, T9. 1Max out your markers potential Want more pressure, more volume, more punch? This CNC machined Z RAM chamber extension is the perfect upgrade to push your marker beyond factory limits. Works out of the box with all popular Umarex models and now also with FSC & TCP when combined with our adapter kit!
Tuning chamber extension (+8 joules min.) for Umarex HDR50 TR68 HDP50 HDB68 etc.
For HDR50/TR50, HDP50/TP50, HDS, HDB – now also for FSC, TCP, T8.1, T9.1
Max out your marker’s potential
Want more pressure, more volume, more punch? This CNC-machined Z-RAM chamber extension is the perfect upgrade to push your marker beyond factory limits. Works out of the box with all popular Umarex models – and now also with FSC & TCP when combined with our adapter kit!
🔧 How it works:
The Z-Extension increases the internal chamber volume, allowing more air or CO₂ to be released per shot – which means more FPS and Joules, even with short barrels and 12g setups. Use it with HPA and a long barrel? You’re in for a serious upgrade.
🔥 Features:
✔️ Minimum +8 Joules boost, even on stock setups
✔️ CNC-machined steel – built to last
✔️ Simple to install – screw-on design
✔️ Compatible with almost all Umarex RAM markers
✔️ Also fits First Strike FSC, T9.1, T8.1 & Pepperball TCP with adapter (sold separately)
📦 In the box:
1x Z-RAM Chamber Extension
1x O-Ring (13.5 × 10 × 1.75 mm)
⚙️ Usage notes:
Minor trimming of your marker's plastic shell may be needed. Check this Video.
Multiple extensions can be stacked for custom builds.
For best performance: use with long barrels and HPA.
Glue it in place with thread-locker for safety.
✅ Works with:
HDR50, HDP50, HDS, HDB, HDR68, FSC, TCP, T8.1, T9.1 and more
⚠️ Safety notice:
This is not an original Umarex part.
Installation is prohibited in Germany due to performance increase.
Use may void your warranty.
Check local laws – in Germany, max. 7.5 joules allowed.
Sales only to persons aged 18 and over.
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