Description
Features:
- 5000psi Working Pressure
- 1/8 NPT Female Threads
- Durable for scuba-fill station and Remote Hose.
- All-Black Tactical look
- Made in the USA
$15.95
The Ninja QD Quick Disconnect Female Coupler 1/8 NPT provides a fast, simple, and leak-free connection and disconnection point for pressurized air lines, typically in High-Pressure Air (HPA) systems for paintball.
• Quick and Easy Operation: Allows users to connect and disconnect air hoses or remote lines by hand without the need for tools. This is especially useful for quickly swapping components like different guns using one air system, or removing a remote line from an HPA tank.
• Secure, Leak-Free Seal: When connected with a compatible male plug, the fitting uses a ball-latching mechanism and internal O-rings to form a secure, high-pressure seal, preventing air leaks during operation.
• Durability: The coupler is made of durable materials with a black coating and withstands high pressures, commonly rated for up to 5000 psi.
• Standard Compatibility: The 1/8 NPT (National Pipe Taper) female thread allows it to adapt to a wide range of components that have a male 1/8 NPT thread, such as remote lines or fill station adapters.
3 in stock
Features:
| Weight | 4 oz |
|---|---|
| Dimensions | 2 × 1 × 1 in |
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Flex Reg on 18ci/295cc/.29L CE Certified CF Tank
Introducing a Hajimoto Productions Exclusive offering!
18ci/295cc/.29L CE Certified CF Tank
Fits the Gauntlet 2 without any modifications.
The CF Tank is CE Certified made to ISO 11119-3 standard. They have seamless aluminum alloy 6061 liner wound with high strength Japan-imported carbon fiber and glass fiber reinforced plastic full composite layers and subjected to an autofrettage pressure. An 18.3ci carbon fiber 4500PSI cylinder with externally adjustable Ninja Flex Reg for your Umarex Gauntlet! The massive volume of air afforded you is mind-blowing.
The diameter of the tank is 54-55mm across so a modification to the forearm is required if you desire to continue to use the Gauntlets tank shroud. I do offer a tank shroud modification service for Gauntlet 1 owners that can be added to a build or provided as a mail-in service.
Gauntlet Bottle Shroud Mod
Please see the examples provided in the accompanying photos.
The Gauntlet 2 forearm slides right over without any issue. Only one access hole needs to be drilled so the fill port is accessible at the bottom. Please be careful if you have accessories on any of the MLok openings as the screws or MLok fasteners may scratch the tank when the shroud is slid forward or back.
Consider picking up our extended foster fill adapter to make coupling and filling a breeze.
The Power Flex Combo allows the user to externally adjust the regulator output pressure on the fly with an adjustment range of 800PSI!.
The cylinder’s outside dimension is slightly larger than the stock aluminum tank so my standard HP Barrel Band does not fit. You will need to use the HP Barrel Band CFT version
Regulator is Made in the USA! The Power Flex Combo is set to either of the two Gauntlet configurations. Simply select the proper configuration. Power Flex Combo Configuration For .177/.22 Cal Flex Reg set to 700 to 1500PSI
Power Flex Combo Configuration For .25 Cal Flex Reg set to 1600 to 2400PSI
DO NOT USE Power Flex Combo Configuration For .25 CONFIG on .177 or .22 they are not capable of handling the pressures. Because of practical limitations, regulator output will be +/- 50PSI (3.5bar) within the requested output.
Microbore 4500PSI Extension
Flex reg and 22.5ci/370cc/.37L CE Certified CF Tank
Introducing a Hajimoto Productions Exclusive offer!
22.5ci/370cc/.37L CE Certified CF Tank (Available in matte or glossy finish)
Newly redesigned unit
Now has a high pressure and low pressure burst discs!

Installs on the Gauntlet 2 with minor tank shroud modifications, forearm slides right over the carbon fiber cylinder. Installation video at the bottom of the page.



The CF Tank is CE Certified and made to ISO 11119-3 standard. They have seamless aluminum alloy 6061 liner wound with high strength Japan-imported carbon fiber and glass fiber reinforced plastic full composite layers and subjected to an autofrettage pressure. This included a 22.5ci carbon fiber 4500PSI cylinder with externally adjustable Ninja Flex Reg for your custom build including the Umarex Gauntlet 1 or Gauntlet 2! The massive volume of air in these 22.5ci tanks is mind-blowing!
The diameter of the tank is 54-55mm across so a modification to the forearm is required on a Gauntlet 1. I do offer a tank shroud modification service for Gauntlet 1 owners that can be added to a build or provided as a mail-in service.
Please be careful if you have accessories on any of the M-Lok openings as the screws or MLok fasteners may protrude into the tank area and scratch the tank when the shroud is slid forward or back. We recommend that if you have any MLok accessories installed, you remove them when sliding the shroud on or off. We also recommend covering the brass inserts in the tank shroud with cloth tape to protect your carbon fiber finish.
The Gauntlet 2 forearm slides right over without any issue. Only one access hole needs to be drilled so the fill port is accessible at the bottom. See photo below

Consider picking up our extended foster fill adapter to make coupling and filling a breeze.
The Power Flex Combo allows the user to externally adjust the regulator output pressure on the fly with an adjustment range of 800PSI!
When installing the Flex regulator on the Umarex Gauntlet. Tighten the degassed tank and regulator assembly fully to the rifle, then back it off until the fill port is on the bottom and the gauges are left and right. Now fill the bottle with air and all will tighten up solid. Proper alignment will be achieved before the 360° maximum rotation limit is realized.
Comes with a dedicated Spanner Wrench for power adjustment. MADE IN THE USA!
Because of practical limitations, regulator output will be +/- 75PSI to the requested output.
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