Suppressor & Muzzle Device Malfunctions (Cycling)
The P320 is known to have cycling and ejection issues with suppressors. Ensure that your weapon system cycles properly with a suppressor when it is configured as a P320 before attempting to troubleshoot in an X01 configuration. This will help diagnose any issues as X01-related or simply inherent in the P320 itself. Warning: Ensure your
Learn moreReplacing Thumb Rests with Accessory Rails
The X01 comes with thumb rests installed in both lateral M-Lok accessory slots. Removal is simple and we recommend the Magpul 3-slot Picatinny Rail to replace them with. Step 1: Removing thumb rests 1A // Place the thumb rest against something rigid so that only the thumb rest is in contact with the surface. 1B
Learn moreRecommended Accessories
Iron Sights: MP7 Clone Sights (not OEM) Accessory Rails: Magpul 3-slot M-Lok Rail Magpul Cantilever Light Mount M-Lok Rail Magazine Releases: Springer Precision – Extended P320 Magazine Release Brownells – OEM P320 Magazine Release P320/250 Magazine Extensions: Springer Precision – Multiple Sizes  ...
Learn moreMagazine will not seat
Warning: ensure the firearm is unloaded before performing any steps in this guide. 1: Ensure a magazine release is installed properly. 1A // Inspect the magazine release to make sure that it is a) present, and b) installed properly and functioning. 2: Inspect the FCU to make sure the trigger bar is not blocking the
Learn moreLoading / Reloading / Clearing Malfunctions
The X01’s reloading procedures are similar to its host pistol, but the added charging handle greatly accelerates reloading and clearing malfunctions. Note: the X01’s right side charging handle intentionally does not lock the slide to the rear when held upwards. This is to avoid both sides of the charging handle locking the action...
Learn moreLegalities – National Firearms Act (NFA)
The X01 in its as-sold configuration with an arm brace or no rear attachment meets the ATF’s classification as a pistol. Warning: Adding a vertical grip to the X01 will transform it into an “AOW” and it will become an NFA item. Adding a buttstock to the X01 will transform it into an “SBR” and
Learn moreInitial Assembly
Have your original pistol’s owner’s manual ready. The only tool you will need is a paper clip, safety pin, or comparable device if you plan to transplant your donor pistol’s magazine release. Warning: Ensure your firearm is unloaded before performing any steps in this guide. Reference sections 8.1 – Pistol Disassembly, 9.2 –...
Learn moreImportant Safety Information
The X01 is not a firearm, but is an accessory platform for an existing series of firearms. All safety information found in the original firearm’s user manual and packaging applies to the X01. We are re-publishing this information below: State-By-State Firearm Warnings Certain states require, by law, that their own specified warning...
Learn moreCharging Handle Disassembly / Changing Config
Warning: Ensure your firearm is unloaded before performing any steps in this guide. Special thanks to Alex Ko of Ko-Tac.com / @kotactical for the images shown in this guide. Step 1: Remove your X01 upper module. 1A // Remove the magazine and clear the weapon. 1B // Lock the slide to the rear via the
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