HPA AIRSOFT
The extra Meter
Where do I buy? Orders are placed in our shop airsofter.at. Every button here takes you straight to that product — ordering, shipping and support all happen there.
Ready to Play
Complete Builds
Fully assembled and range-tested systems — HPA and AEG, each tuned by hand.
OCAW XF13
OCAW AEG DSG (2025)
ARC M4 HPA
Honey Badger Blackout Edition
ARC M4 AEG
Precision
Barrel Systems
Four build levels of the same precision barrel — from the bare stainless steel barrel to the complete R-Hop system with CNC hop-up. Every level comes in ten lengths.
Ultra-light
Carbon Outer Barrels
One of our best sellers: the free-floating full carbon outer barrel for M4/AR15 platforms.
Full carbon · CNC alloy connectors
Ultra-light carbon tube with CNC milled aluminium connectors, fitting most standard upper receivers. Dual inner barrel stabilisation front and rear — the guides are designed for the XFORCE hop-up chamber and compatible with most others. Choose an inner barrel at least as long as the outer barrel for the full stabilising effect.
Choose length
- 135 mm
- 155 mm
- 185 mm
- 229 mm
- 247 mm
- 280 mm
- 310 mm
- 363 mm
- 387.5 mm
- 416 mm
The carbon outer barrels are currently not listed in the shop — we still make them, please ask via our shop airsofter.at.
Carbon
Carbon Suppressors
Foam-filled carbon fibre suppressors with aluminium end caps and PCU Spike Tracer compatibility. −14 mm (CCW) threading, 52 g, available in 70, 100 and 130 mm.
Note: foam filling may not be purchased in Switzerland, Belgium or Denmark.
Choose length
Core
Hop-Up Chamber
The rotary chamber our builds are based on.
2015 /// 2026
10 Years. One Obsession.
10 years of precision. 10 years of in-house manufacturing. 10 years proven in the field.
Learn moreWorkshop & community
Handbuilt, proven in the field
Machined, assembled, measured and zeroed — no system leaves the workshop until the trajectory is right. What you see here are our own builds and the players running them.
From the community
First-hand experience
Field report
My experience with Umbrella Armory EU
u/prestito4 · r/airsoft · April 2025
A player documented his purchase publicly on r/airsoft — from the first questions through the build to his first game day. The post is still there in full; these are the key points.
Fully satisfied and I would definitely recommend Umbrella Armory.
- Requested date Ordered in late March, delivered on 10 April — exactly the date he asked for.
- Direct line More than a hundred questions answered before the order, over WhatsApp.
- Build updates Photos of every step of the build until it shipped.
AMA
The founder answers questions
u/UA_Jordan · July 2023 · 637 upvotes, 300 comments
Jordan, founder of Umbrella Armory (US), takes public questions: why every barrel is lapped during an R-Hop install, why bore consistency matters more than bore diameter, and why the warranty follows the gun rather than the original buyer.
Read the full post
Discussion
Is the price justified?
u/jwid503 · March 2024 · 15 comments
A newcomer asks whether a finished build is worth it. Opinions split: from more than a hundred hours before a self-built one ran properly, to voices recommending an HPA system instead. A parts-cost breakdown sits in the thread as well.
Read the full post
Discussion
Are the R-Hop barrels any good?
u/bbysoluko · February 2022 · 6 comments
Experience with prefabricated R-Hop setups. On one side three installs with a clear gain in range, on the other criticism of price and lead time and the argument that you could do it yourself.
Read the full postEvery system measured
No build leaves the workshop without a chrono record and a verified trajectory.
XFORCE in-house production
Hop-up units, R-Hop barrels and carbon parts are made in our own CNC shop.
Over 10 years of builds
Since 2015 we have been building custom systems in the USA for players who value consistency over spec sheets.
Ready for your system?
All products are in stock at airsofter.at — including advice and delivery within 1–3 business days.
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