Umarex STEEL FORCE valve seals kit
$25.00
Umarex Steel Force valve seals 10 pcs + gasket seals, solves MAGAZINE CO2 leak
4 in stock
You’re buying quality replacement O rings for your Umarex STEEL FORCE BB CO2 repeater and tools for easier disassembly of the valve. These O rings are direct after-market replacements for O rings that are in the magazine CO2 release valve assembly. These O rings will solve the issue of leaking CO2 when you insert your magazine in the Steel Force magazine slot. The tools included with these seals were developed especially for the this kit and will make changing seals an even easier job than before. We now also include with this seal kit gasket seals for CO2 bulbs (2 pieces), which solve CO2 leaks when gasket seals are worn out, which is not as rare as valve seal failure.
WHY STEEL FORCE LEAKS CO2 AFTER MAGAZINE IS INSERTED?
The main reason for this leak is a torn or overused smaller O ring, which is abused each time a magazine is inserted (you get 5 pieces of these in the package). The second reason is that at factories, they usually use low-grade O rings. These are quality replacements that will solve the issue 100%. Such O rings, as far as I know, are not available at Umarex Steel Force retailers, as they don’t stock any replacement parts for any warranty claims. By getting these O-ring save packs, you can be all good and prepared for the time when this issue happens. Be ready, so this will not ruin your shooting day.
*With your purchase, you will also receive a guide in a PDF file to your email with pictures on how to easily replace these O rings and put everything back together with no worries.
Your Umarex STEEL FORCE BB CO2 repeater has two O rings in the CO2 release valve assembly:
-1 x small O ring (reason for CO2 leak), which suffers the most as it is pierced with a CO2 release pin tube each time a magazine is inserted.
-1 x larger, which is under a small O ring; this one does not take much damage but is still included in the package.
Please note that these O rings will solve the leaking CO2 you experience when you insert the magazine inside your Steel Force, which is a common issue with worn-out valve seals.
GASKET SEALS FAILURE AND CO2 LEAK
If you experience CO2 leaking immediately after you insert fresh CO2 cartridges in the magazine (the magazine is not inserted), then the problem is most likely with CO2 gasket seal failure. In this case, we recommend replacing these seals with the seals we now provide with this kit. If you don’t have this type of leak, we don’t recommend changing gasket seals, but rather when they fail.
With your purchase, you get:
5 pieces of smaller O rings, which are most abused, and you’d need this one for proper operation (when damaged, this O ring is the cause of leaks).
-5 pieces of larger O rings, which are under small O rings; these don’t get used up soon, but it does not hurt to have some extras.
-1x punching pin; easy removal of safety pins to disassemble magazines
-1x extracting tool to disassemble internal parts of the valve and remove old seals
-2 pieces of CO2 bulb gasket seals (replace only when a CO2 leak occurs immediately after cartridges are inserted).
1x coin tool for removing screws and retaining gasket seals
1x DETAILED GUIDE WITH PICTURES AND HINTS ON HOW TO REPLACE THESE MAGAZINE O RINGS (a PDF file will be sent to your e-mail after payment is received).
! ! ! SEALS FOR STEEL FORCE ARE NOT COMPATIBLE WITH STEEL STORM ! ! !
SEALS FOR UMAREX STEEL STORM AVAILABLE HERE.
*IT IS HIGHLY RECOMMENDED TO HAVE YOUR MAGAZINE STORED OUTSIDE OF YOUR STEEL STORM WHEN NOT USING IT. HAVING IT INSERTED IN THE MAGAZINE SLOT REDUCES SMALL O RING’S LIFE SPAN DRASTICALLY.
| Weight | 10 g |
|---|







Brad –
I was sure my Storm is done for after leaking all over the place after 8 month. Got no support from Amazon, since the warranty period passed, which is only 3 months. Huge red flag would say and they also don’t have any spare parts. None. They said, just buy a new one. Don’t have cash to throw on this crap. Tried this kit, and changed O rings in the valve and luckily this worked for me.