Z-RAM Upgrade Package for HDR68 TR68 (85 Jo. 88g co2)
SKU: 69032024187

Z-RAM Upgrade Package for HDR68 TR68 (85 Jo. 88g co2)

Sale price$133.20 Regular price$148.00
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Description

Z-RAM Upgrade Package for HDR68 TR68 (85 Jo. 88g co2)Z RAM Upgrade Package for Umarex HDR68 TR68 ( 85 Joules 88g co2) Take your HDR68 to the next level this complete upgrade kit is designed for serious performance, delivering up to 85 Joules using a standard 88g CO capsule. Everything is designed to work seamlessly together, maximizing chamber volume, gas efficiency and handling while keeping installation simple and clean. Check out the installation video here: YouTube Included in this package: ASA ON

Z-RAM Upgrade Package for Umarex HDR68 TR68 ( 85 Joules 88g co2)

 

Take your HDR68 to the next level – this complete upgrade kit is designed for serious performance, delivering up to 85 Joules using a standard 88g CO₂ capsule.

Everything is designed to work seamlessly together, maximizing chamber volume, gas efficiency and handling – while keeping installation simple and clean.

👉 Check out the installation video here: YouTube

 

Included in this package:
✔️ ASA ON/OFF Adapter for 88g – secure, controlled activation of your CO₂
✔️ Z-RAM ASA to Chamber Adapter – connects your capsule directly to the valve system
✔️ Tuning Barrel with Standard Extension – optimized gas flow and fit
✔️ Sniper Barrel Extension – extra reach for higher pressure and tighter grouping
✔️ Z-DRUM for HDR68 TR68 – compatible with Z.68s projectiles
✔️ Universal Vertical Grip – better ergonomics and support
✔️ NEW! Z-RAM Buttstock (Black) – lightweight, stable and fits 88g capsules perfectly
✔️ Set of 6x Z.68s Steel Projectiles – sharp-tipped, heavy, reusable, and hard-hitting

⚠️ Requires the original driver from the stock drum.

 

✅ Up to 85 Joules with 88g CO₂
🔧 Performance can be further increased with additional barrel extensions
📌 HDR68 marker not included – this package contains external upgrade parts only
📜 Make sure these modifications are legal in your country before installation

 

💡 Note: For best performance, we recommend adding a suitable Power Kit that matches your specific marker model.
This is not included in the package, as there are different versions for each model.

The Power Kit provides additional power and ensures better sealing under increased pressure and gas flow – a perfect addition to your upgrade components.

👉 Find the right Power Kit for your marker here » Power-Kits
Need help choosing the correct version? Contact us via chat or email anytime.

 

We have many other interesting tuning parts and ammunition for your marker!
Check out our collection and choose your marker.

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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:
  1. 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
SKU: 69032024187

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Ranae Ledford
Boise, US
★★★★★ 5
Good, but size up!
Color: Black, Size: 30W x 29L
These are exactly what I wanted, but as many have stated, you need to size up. I found that going up two sizes (from my usual 28 to a 30) made for a great fit. I love that they come in a 29 length. One anything point is they came with creases in them from being folded in the package for a length of time. I had to steam and press them before wearing. I’ll likely buy them in other colors.
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Reviewed in the United States on March 18, 2026
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William B. Fisher
Chelsea, US
★★★★★ 5
Great Pants
Color: Khaki, Size: 46W x 32L
Great pants but buy one size up in the waist. They are well made, comfortable, and good looking. They are Dickies brand what more needs to be said.
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Reviewed in the United States on May 2, 2026
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H
Charlottesville, US
★★★★★ 4
order 3 or 4 inches up than your usual waist, run very small in waist
Color: Charcoal, Size: 33W x 30L
arrived with dirt on the bottom legs but amazon helped with that. anyway I weigh 115 lbs and am 5'8 and I am a woman. I know that Dickies these days run super small for their size, so it sounds insane but order up 4 inches than your normal waist size, then run small in the waist and they will shrink a size with a few washings. I ordered a 33 waist and they did shrink probably a size in one wash lol! they are still a bit loose in the waist but not big and I know with a couple more washings they will be just right. I do not like anything skinny fit or with no give. but yah, I love the charcoal gray color, one of my favorite colors, much cooler than plain black. I normally enjoy the Dickies shorts but with these forty something degree afternoons these are my new go tos. I am not a jeans person and I sure as hell with not be wearing pajama pants out in public like these dang younger adults lately.
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Reviewed in the United States on December 7, 2025
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AmazonSmile
New York, US
★★★★★ 5
Perfect fit every time
Color: Silver, Size: 30W x 30L
These original 874’s are the real deal. Stocked up during the sale and got them for my husband. He loves all the colors and the durability of these pants is incredible. He still has some from 14 years ago! But he wanted a few new ones- and they had more colors so I stocked up and surprised him when I told him how much they cost during the sale. These pants never wrinkle. I wash them hot and air dry- no wrinkling or shrinking. They look great. They’re sewn to perfection. The quality is there and has been for years, a reason my husband only wears these. Quality, value, durability, style, fit. Great for all seasons, they’re not too heavy or too light. Great functionality- pockets for everything . Great even in summer - they are very breathable. Perfect fit every time. Great for heavy road construction or just going for a hike. Highly recommend!
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Reviewed in the United States on November 22, 2025
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Moises
Draper, US
★★★★★ 5
Good work pants
Color: Dark Brown, Size: 46W x 32L
run small / snug I would recommend getting next size up minimum.
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Reviewed in the United States on May 18, 2026

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