MK23 | SSX303 PARADOX KIT
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Revolutionise your stealth gameplay
The ultimate HPA adapter for MK23
This adapter transforms your replica by routing BBs to the nozzle from an AEG magazine (M4 or MP5) mounted on the accessory rail or handguard of your MK23/SSX303. A lightweight HPA unit replaces your gas magazine, giving you unparalleled consistency and capacity.
This kit puts the magazine in the perfect place for holstering and use as a rifle (maybe in a carbine kit!).
Compatibility
- All MK23 clones (ASG, STTI etc), SSX23 and SSX303 (not compatible with Tokyo Marui MK23)
- M4 Version - All strong feeding M4 AEG magazines
- MP5 Version - Any Metal CYMA MP5 Midcap
- US Foster Fitting as standard
Materials
- M4 Magwell - Injection Moulded Polycarbonate
- MP5 Magwell - CNC Aluminium
- HPA Section, Trigger Guard - SLS PA12 Nylon
Assembly Instructions - HD VERSION AVAILABLE HERE
M4 Adapter Information
- Injection moulded from polycarbonate, this magwell is near indestructible!
- Compatible with most airsoft M4 magazines.
- We recommend EPM1/EPM1s magazines as they have excellent fitment and strong springs.
- Magazines advertised as Fast Feed such as the original EPM or Amarok magazines will also work well
- BB retention means only 2-3 BBs are dropped when changing mag
- A swappable rear shim is included
Key Information
- We use a US Foster Fitting as standard. This is the most common airsoft HPA fitting. EU fittings can be purchased separately.
- Some of our HPA adapters have a smaller internal volume than gas magazines. Because of this, you will need to use a PSI of 90–150.
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If you need higher FPS, you can:
- Fit a tighter barrel
- Use a longer barrel
- Use heavier BBs
- Fit an improved hop bucking
- If your replica has an NPAS fitted, we advise opening it fully.
- Do not exceed 150 PSI. Many airsoft guns will not see an increase in FPS past this, as the hammer may struggle to depress the valve correctly.
- Insert the HPA adapter with your bolt / slide locked back to minimise pressure against the nozzle loading arm.
AIRTAC Adapters
Each of our adapters is designed to be low profile while reaching field limit FPS. We design and manufacture all of our products to the highest standard, and do not charge extra for ‘premium’ features. Where applicable this adapter features:- Lifetime Warranty (Our adapters have to be built to last)
- Injection moulded or CNC magwell that is impervious to BB strikes at point blank skirmish FPS.
- CNC or Injection moulded Feed Tubes and Magazine Catches for lifelong durability.
- Tuneability/compatability via integrated shim systems. Our adapters are designed to cope with 'airsoft tolerances'
- Gas Routers injection moulded from NBR, 1:1 with the factory gas router.
- Seal Test
- Firing test, for feed and recoil (we have over 100 guns on site for testing)
Run different mags with your adapter!
This adapter is also compatible with the following modular magwells:| Magazine Type | Compatibility |
|---|---|
| M4 | ❌ Not compatible |
| M4 (Angled) | ❌ Not compatible |
| MP5 | ❌ Not compatible |
| Shotshell (Pistol Style) | ❌ Not compatible |
| Shotshell (Rifle Style) | ❌ Not compatible |
| Remote Feed | ❌ Not compatible |
| Compact Drum | ❌ Not compatible |
DO NOT EXCEED 150PSI WITH ANY AIRSOFT HPA ADAPTER.
ALWAYS USE AIR REGULATED BY A SECONDARY REGULATOR (EG AT200, WOLVERINE STORM, POLARSTAR MRS).
CHECK YOUR PSI BEFORE CONNECTING AIR TO A HPA ADAPTER.
NEVER CONNECT OUR EQUIPMENT TO PAINTBALL AIR TANKS OR CO2 TANKS.
NEVER CONNECT OUR EQUIPMENT TO A TIPPMAN STYLE HPA LINE