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$310.00
This is the service that is included with the Gauntlet 1 Platinum Package as well as the Gauntlet 2 Gold, Platinum, and Ultimate packages. The service is an add-on for lower airgun package offerings that run the rifle through a series of shooting exercises in order to capture and chart power generation and accuracy. This service produces the actual targets shot by your rifle at 25 and 50 yards on 2″ targets. The responses that you provide during the questionnaire are what we use during the final adjustment and execution phases.
You will receive a detailed build sheet that captures every detail of what was performed on your air rifle. You will also receive a detailed data matrix and range result sheet which has the power generation matrix with different ammo weights, feet per second, foot-pounds of energy developed, and what the power adjuster was set to in order to develop those results.
These data sheets become a quick reference for baseline performance data that you can always refer to in order to understand where your power adjuster should be in order to achieve the stated results.
Related products
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Intended for higher power builds
High Travel Valve Stop For Umarex Gauntlet 1 or 2
$30.00Select options This product has multiple variants. The options may be chosen on the product pageThis part replaces part #19 and allows for greater valve dwell producing more power to be produced at higher regulator pressure settings.
The .22 caliber HTVS for the Generation 1 Gauntlet fits both the .177 and .22. Do not order Generation 1 HTVS for the Generation 2 Gauntlet, they are not the same
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Sumo 1.6 x 6.25 inches
$150.00Select options This product has multiple variants. The options may be chosen on the product pageTHIS IS AN AIRGUN ONLY PART

This part is designed and manufactured by DonnyFL
Remember to always order your suppressor one size larger for shrouded barrel PCP’s.
If you have a .22 caliber shrouded barrel PCP, you’ll want to order a .25 caliber suppressor.
The .177/.22 is for shrouded barrel .177 or direct barrel threaded PCP’s in .22.
The .22/.25 is for shrouded barrel .22 or direct barrel threaded PCP’s in .25.
The .25/.30 is for shrouded barrel .25 or direct barrel threaded PCP’s in .30. The exception to this rule is the Gauntlet .30 which is shrouded but because of the unique end cap, marries the barrel and shroud at the end.The Tanto, Tatsu, FX, or Sumo are not recommended for the Gauntlet .30 caliber because of the relatively small internal volume of these suppressors and the elevated operating pressures of the G30. We recommend the Ronin be used on all of our G30 Builds.
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For G1 G2 & G30 Variants
Umarex Gauntlet Tune O-ring Kit
$13.00 – $22.00Price range: $13.00 through $22.00Select options This product has multiple variants. The options may be chosen on the product pageHajimoto Productions Tuning O-ring kit for the Gauntlet and Gauntlet 2
Now includes two of my “NO RING” pellet probe seals as HP-1 rather than the typical high wear donut orings.
I have put together the most common o-rings that fail during a tuning session. Most of the stock o-rings for the internals will gouge when the airgun is disassembled, this kit will allow you multiple attempts should any of the o-rings fail. Please note that the .30 caliber uses completely different internal o-rings than all previous Gauntlet Models including the .30 cal exclusive transfer port orings Which will be bagged as TP.
Some of the NO-Ring seals have the leading edge precision ground.

These tapered / precision ground types need to be installed as shown below
(Images are of the .30 caliber NO RING)
You get:
- 2 of pellet probe NO-ring seals.
- 2 sets of barrel o-rings.
- 2 sets of tank block o-rings.
- 2 of valve body o-rings.











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