Ninja Reg Rebuild Kit
$21.00 – $22.00Price range: $21.00 through $22.00
This Kit Contains All Of The Most Consumable Parts in a Ninja X Reg, Ninja ProV2, and Flex Variants
This Kit is for the Large Piston Variant that measures 13.90mm in diameter at the flange of the large piston.
The Small section of the piston is 7.90mm in diameter.
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- 1 – User-selectable Burst Disk (1.8k, 3k, 5k, 7.5k
- 2 – Large Upper Large Piston O-Ring
- 1 – Small Lower Large Piston O-Ring
- 2 – Regulator Bonnet O-Rings
- 1 – Fill port o-ring
Additional information
| Weight | 2 oz |
|---|---|
| Dimensions | 1.5 × 2 × 1 in |
| Regulator Variant | Standard X Reg, Gauntlet 2 .22, Gauntlet 2 .25, Gauntlet 2 .30, Flex Reg |
| Burst Disc Rating | 1.8K, 3K, 5K, 7.5 |
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Huben Power Dream-Notos TK with 0.30L, 0.36L, 0.50L CF Tank
Haji-Notos Power Plant Combo
$265.00 – $365.00Price range: $265.00 through $365.00Select optionsGenuine Huben Power Dream-Notos TK mounted on a .30L (300cc) 0.36L (360CC) or .50L (500cc)
A complete Haji-Notos Power Plant Combo. It allows for precise power adjustment allowing the Notos to deliver only the power required for the situation. If you want to shoot pest birds in a barn or feed house, you can dial it back to fly pellets as low as 400 ft/s, or if you are hunting grey squirrels and want to deliver a JSB Hades 15.89 gr at over 750 ft/s you can do that too.
FEATURES
- Includes 0.30L, 0.36l, or 0.50L 4500psi Carbon Fiber Bottle in Gloss or Matte Black.
- Optional Barrel Band support to provide structural support for the Power Plant.
- Optional Barrel fitment for Stock with OEM suppressor, Hajimoto Notos Modified, or FX Barrel
- Extremely stable externally adjustable regulator Output 500psi~3600psi
- Provides over 130 shots.
- Ultra-stable output pressure
- Power Plenum with rotatable joint for perfect clocking, locked in place with set screws.
- Standard 8mm quick disconnect male Foster fitting adapter for filling.
- Built-in Picatinny Rail Section for Bipod or Tripod Shooting.
- Power increase on the fly, but power decrease requires degassing the plenum.
See details below
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User adjustable M18 regulator
Huben Power Black Hawk Pro
Select options$150.00Original price was: $150.00.$130.00Current price is: $130.00.The Huben Power Black Hawk Pro is a very stable, high-flow M18 threaded adjustable regulator that allows the user to adjust the output pressure to what is required for the application. The quality of materials and craftsmanship is top-tier. We tested these regulators here at Hajimoto Productions and the standard deviation was so low it was incredible.
FEATURES
- Rotational bonnet allows for exact thread indexing/clocking of the regulator to the PCP.
- Streamline and slim structural design
- Thread: Bottle = M18*1.5 and PCP = G1/2-14
- Max up to 4500psi high-pressure gauge input.
- Regulating output pressure range 500psi~3600psi
- Comes with a standard 8mm quick disconnect male foster fitting adapter for filling.
- Dust caps may randomly be green or black.
- The regulator has a high airflow rate, is lightweight, easily operational, re-buildable, and designed for use with HPA/CO2.
SKOUT USERS*
This regulator does not have a pin on the top of the regulator. This means EPOCH owners are ok, but EVO cannot use this regulator. -
5/8″-18UNF Threaded Unit
Flex Reg Hajimoto Configurations
Rated 4.00 out of 5$299.00 – $310.00Price range: $299.00 through $310.00Select optionsNOTE: THE NINJA FLEX REGULATOR HAS A LIMITED INVENTORY
Ninja Paintballs’ Flex Reg with Custom Gauntlet Configuration.
Say goodbye to only one fixed output pressure!
The user has an 800 – 1000 psi adjustment swing!
Requires minor forestock modification.
The regulator thread is 5/8-18UNF (Bottle Thread) and Typical Paintball Threads of .825-14 NGO (PCP Thread).
Please note the Flex regulator can be used with any Air, Co2, or Nitrogen driven air gun not just the Gauntlet, providing it has the correct threading.
The Ninja Flex regulator is available in any 900 psi spread to a maximum of 3100 psi output. For the Gauntlet, select the proper configuration.
If you select the Custom Configuration, you will need to use the NOTES above to communicate what you want the maximum output to be. Please note that the highest output the Flex Regulator can be configured for is 3100 PSI, but we can build it to any number below that. Example, a user wants the maximum output of their Flex regulator to be 2800, we will build the regulator so that the adjustable range of that build is 1800 to 2800PSI.How to read the below configurations
Example: Flex Reg .22 | 4500/1600 to 2400 psi
Flex Reg .22 = Regulator Type for .22 caliber
4500/ = The bottle’s maximum fill pressure
1600 to 2400 psi = The output range of the Flex RegFlex Reg Configuration For Generation 1 Gauntlet .177/.22 Cal
Stock .177/.22 | 3000/1100PSI Regulator
Flex Reg .177/.22 |3000/600 to 1500PSIFlex Reg Configuration For Generation 1 Gauntlet .25 Cal
Stock .25 | 3000/1900PSI Regulator
Flex Reg .25 | 3000/1500 to 2400PSIFlex Reg Configuration For Generation 2 Gauntlet .22 Cal
Stock .22 | 4500/1900PSI Regulator
Flex Reg .22 | 4500/1500 to 2400PSIFlex Reg Configuration For Generation 2 Gauntlet .25 Cal
Stock .25 | 4500/2100PSI Regulator
Flex Reg .25 | 4500/1500 to 2400PSIFlex Reg Configuration For G30 Cal
Stock .30 | 4500/2800PSI Regulator
Flex Reg .30 | 4500/2100 to 3100PSIComes with a dedicated Spanner Wrench for power adjustment. MADE IN THE USA!
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For G1 G2 & G30 Variants
Umarex Gauntlet Tune O-ring Kit
$11.00 – $20.00Price range: $11.00 through $20.00Select optionsHajimoto 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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Bipod and Picatinny Rail
$15.00 – $70.00Price range: $15.00 through $70.00Select options
Installation Video for 1.5″ Picatinny rail on the Umarex Gauntlet forearm.
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Regulator Service or Pressure Change
Regulator Service or Pressure Change
$45.00Select optionsThis is a service to repair, test, leak test, adjust or increase the output pressure of a Umarex Gauntlet 1 or 2, regulator to a customer’s requested output. The regulator will be tested and calibrated to within +/- 75 PSI. Parts such as Gauges, Burst discs, Bonnets, Pistons, Caps, or Regulator bodies are not included. If parts are determined to be required to repair the regulator, pricing will be determined, quoted, and will need to be paid prior to the return of the regulator.
Please note that if you have a Taiwan-produced regulator, which is the regulator that is located at the top of the photo, there are very limited corrections that can be made to these units and you may end up needing a new regulator. Please use the notes area to provide the Generation and caliber of the rifle. Also, give as much detail as possible of the issue or the requested pressure output and so forth.
Once the order is physically reviewed, you will receive a second notification with details associated with packaging and shipping the items in for service.
When you place the order for the above-described service, you will receive an order processing notification. Shortly after that, you will receive a detailed notification with the shipping information for you to ship us your regulator or regulator and tank assembly.
This service is not a hydro test of the tank/bottle and is focused only on the regulator’s functionality and visual inspection assemblies.
Please note that this service is not associated with any manufacturer’s warranty, so please be sure to exhaust all warranty options prior to sending us your regulator for service as our working on the part voids any manufacturer-provided warranties.
























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