X01 Personal Defense Weapon Platform GEN2



Due to unprecedented order volume, please allow up to 10 business days for your item to ship.

***Firearm not included. Compatible with full size, compact, carry, Tacops, X-Carry, or X-Five Sig Sauer® P320® and P250® firearms chambered in 9mm, .40, or .357 SIG®.

Now included: 2X Magpul M-Lok® 3-slot polymer accessory rails.

The X01 is a drop-in PDW upgrade for the Sig Sauer® P320® / P250® / M17 / M18 series of firearms that provides enhanced capabilities such as a vertical rear 1913 rail to attach a SIG® MPX compatible arm brace or buttstock.

The X01 enhances the original firearm’s manual of arms with its integrated charging handle, which provides an “HK®-style” downward release when the left-side handle is locked to the rear. The fore-end of the weapon features three M-Lok® slots, two of which come standard with Magpul M-Lok® 3-slot polymer rails.

Made in the United States of America.

  • Compact slide required for SRD9 / muzzle device modification
  • M17 / M18 / P320-MS compatibility requires manual safety modification
  • X01 utilizes donor pistol’s magazine release
SKU: 0001 Category: Product ID: 1217


Product Details



  • Requires Sig Sauer® P320® or P250® slide assembly, magazine release, and FCU
  • Compatible with full size, carry, tacops, x-carry, or compact P320® or P250 slides chambered in 9mm, .40, or .357 SIG®. X-5 compatible on request (see options).
  • Milspec 1913 picatinny optic rail
  • Rear vertical 1913 picatinny rail for arm brace, buttstock, or sling mounts
  • Integrated ambidextrous slide-lock charging handle assembly
  • Rear dual QD Sling mounts
  • Three (3) fore-end M-Lok® accessory slots
  • Two (2) Magpul M-Lok® 3-slot polymer rails
  • Muzzle compatible with SRD9 Suppressors when requested (more models to be tested soon) when a compact slide is paired with a full-size threaded barrel (Silencerco® model recommended)
  • Glass-filled nylon & stainless steel construction
  • Transformation happens in moments and is fully reversible

International Traffic in Arms Regulations Controlled Product



X01 PDW:

  • Weight: 12oz
  • Weight, w/ arm brace (optional): 24oz
  • Minimum operating length: 16in
  • 9x3x12in

* Currently only compatible with full size, compact, carry, or X-Five slides.

Optional Upgrades

Related Info

WARNING: Observe safe firearm handling practices at all times. Failure to do so may result in serious bodily injury or death. Fire Control Unit shall not be responsible for injury, death, or property damage resulting from faulty installation, misuse, illegal use, or modification of this product.

EXPORT NOTICE: This is an item controlled for export by the International Traffic in Arms Regulations (ITAR). These controls take the form of export regulations and license requirements.

As part of the express consideration provided for receipt of Fire Control Unit’s goods, technical data and/or services, you, our customer, acknowledge that the export, re-export or other transfer, directly or indirectly, of the goods, technical data and/or services provided by Fire Control Unit in violation of U.S. law is prohibited. Customers acquiring ITAR goods, technical data and/or services from Fire Control Unit shall be responsible for obtaining any necessary U.S. or other government authorization required to ensure compliance with applicable export laws.

Additional information

Weight 4 lbs
Dimensions 18 x 9 x 3 in
Intended slide size

Full Size, Compact / Carry, X-Five / VTAC (+$50)

SRD9 suppressor compatible

Yes (+$50), No

Machined for manual safety (M17/M18/P320-MS)

Yes (+$50), No

SB-Tactical™ brace with X01-contoured mount

Yes (+$100), No

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