Sig P365-XMACRO & XC3 Sub IWB Holster with Magazine Carrier Combo

Sig Sauer P365-XMACRO IWB Holster & Magazine Carrier Combo for SureFire XC3 Sub

This Inside Waistband (IWB) holster and magazine carrier combo is designed for the Sig Sauer P365-XMACRO equipped with the SureFire XC3 Sub weapon light.

The package includes a light-bearing P365-XMACRO IWB holster and a matching P365-XMACRO IWB magazine carrier, providing a complete concealed carry setup in one package.

Compatible Firearms

• Sig Sauer P365-XMACRO
• Sig Sauer P365-XMACRO COMP
• Sig Sauer P365-XMACRO TACOPS
• Sig Sauer P365-XMACRO COMP ROMEO-X
• Sig Sauer P365-XMACRO ROMEO-X
• Sig Sauer P365-XMACRO COMP ROMEOZero Elite
• Compatible with manual safety models

Light-Bearing Retention

This holster uses a light-based retention system, locking securely onto the attached weapon light rather than the firearm frame. The SureFire XC3 Sub must be installed for proper holster fit and retention.

Compatible Weapon Light:

• SureFire XC3 Sub

Light Installation: This holster is designed and tested with the SureFire XC3 Sub installed using the (A) Rail Set with the #1 Key. This mounting hardware is included with the XC3 Sub by SureFire.

Retention is adjustable, allowing you to fine-tune the fit and draw to your preference.

See product information for the SureFire XC3 Sub.

Included Mounting Options

Each holster and magazine carrier includes a Modwing plus your choice of:

• Discreet Carry Concepts Monoblock
• Ulticlip Ultituck Belt Attachment

Holster Features

• Precision-molded Kydex holster for the Sig Sauer P365-XMACRO with SureFire XC3 Sub weapon light using the (A) Rail Set with the #1 Key.
• Retention indexed on the mounted weapon light for a secure and consistent draw.
• Available in right- and left-handed configurations.
• Adjustable retention for a personalized fit.
• Full sweat guard.
• Adjustable ride height and cant.
• Open muzzle accommodates threaded barrels and compensators.
• Minimal material profile and rounded edges help reduce printing.
• Optional ModWing includes two inserts to fine-tune concealment and reduce printing.
• Optics-ready profile clears most red dot sights, including optics that overhang the side of the slide.
• Constructed from durable .093-inch thermoplastic.
• Proudly made in the USA.

Included IWB Magazine Carrier

The included Inside Waistband magazine carrier is designed specifically for Sig Sauer P365-XMACRO magazines and works well for appendix carry or other inside-the-waistband carry positions.

The extended magazine carrier length positions more of the magazine below the belt line to help reduce tipping and minimize magazine printing during everyday carry.

• Designed for Sig Sauer P365-XMACRO magazines.
• Ambidextrous design for bullets-forward or bullets-back carry.
• Adjustable retention.
• Adjustable ride height and approximately 20 degrees of cant.
• Smooth back and rounded edges help reduce hot spots.
• Compatible with foam wedges or Moleskine, not included.
• Constructed from durable .080-inch thermoplastic.
• Made and assembled in the USA.

Related Products & Resources

• Holster & Magazine Carrier Combo Collection
• Sig Sauer P365-XMACRO Holster Collection
• Guide to IWB Belt Attachment Options
• View Available Kydex Holster Colors
• Replacement Belt Attachments
• Replacement Holster Hardware
• Ulticlip Ultituck Attachments
• If you choose the optional ModWing and later want to remove it, you'll need our Replacement Hardware kit, which includes (2) 3/8" screws, (2) 1/4" rubber spacers, and (2) 1/4" threaded posts.
• 4Bros Holster Wedge— Designed to improve concealment and comfort by helping angle the firearm grip closer to the body while reducing pressure points during IWB carry.

For long-term reliability, apply a removable thread locker to all hardware after initial setup to help prevent loosening during regular use.

See our Apply Thread Locker to Your Holster video for a quick application guide.

Frequently Asked Questions

Will this holster work without the weapon light installed?

No. Retention is designed around the mounted SureFire weapon light, so the holster requires the compatible light to function properly.

Which SureFire weapon lights fit this combo?

This combo is compatible with the SureFire XC3 Sub installed using the (A) Rail Set with the #1 Key.

Which Sig Sauer models are compatible?

This combo fits the Sig Sauer P365-XMACRO, P365-XMACRO COMP, P365-XMACRO TACOPS, P365-XMACRO COMP ROMEO-X, P365-XMACRO ROMEO-X, and P365-XMACRO COMP ROMEOZero Elite, including manual safety models.

Is this holster optics ready?

Yes. The holster profile is cut to clear most red dot sights, including optics that overhang the side of the slide.

Is the magazine carrier included?

Yes. This package includes both the light-bearing IWB holster and a matching P365-XMACRO IWB magazine carrier for a complete everyday carry setup.

Can I adjust the retention?

Yes. Both the holster and magazine carrier feature adjustable retention so you can customize the fit to your preference.

Is this holster available for left-handed shooters?

Yes. This holster is available in both right- and left-handed configurations. Select your preferred configuration when ordering.

Can the magazine be carried bullets forward or backward?

Yes. The ambidextrous magazine carrier supports both bullets-forward and bullets-back carry configurations.

Please review our Four Brothers Holsters Exchange, Return and Refund Policy

Made in America. Founded, located, engineered, manufactured, and shipped from Northern Indiana.