This is my
Passion, but not my day job...
This is a hobby for me, my prices are just over cost, to cover
Although I always do my best to help everyone in a timely
sometimes its just not possible.
Please be patient.
The 850 Store offers
a Full Tune along with the most popular mods and conversions for the
Umarex / Hammerli / RWS 850 Air Magnum.
We can convert your 850 into a Powerful and accurate rifle with solid performance at a reasonable price.
The 850 is an exciting low cost, high quality and
extremely fun airgun to shoot.
After the tune, it's accuracy rivals the best out there.
producing true single hole 8 shot groups at 20yds.
Performance varies depending on your choice of fuel. (CO2 or
Typical average velocities(+/-2%) are:
Pellet weights used in testing:
7.9gr for .177
14.3gr for .22
CO2 at 85°F:
.177 1100fps (velocity can be reduced upon request)
There are many
the 850 . They are listed here, along with all the
different conversions. Please follow the links at the top of
this page to learn more.
check the new Shipping charges... sorry folks...
Standard disclaimers. Pease read:
- Due to variations in the manufacture of all Airguns, velocities may
vary by a maximum of 2% from quoted values.
Quoted velocities are approximate and represent
the average we have experienced to date.
2. Accuracy guaranteed - Only on rifles purchased from me. I test all
rifles I order prior to modification and return any that are not acceptable.
3. Although I try
to keep this page as current as possible, please call to get the most recent
4. CO2 and High Pressure Air are dangerous and can Kill or Seriously injure you.
You use these items and services entirely at your own risk.