The Sig Sauer P365X-Macro Caliber Exchange Kit (Sig Sauer part no. 8901443) lets you convert a compatible P365 frame to the X-Macro configuration in 9mm, with a 3.1-inch barrel and a 17-round capacity. The kit includes two steel 17-round magazines, giving you a full-capacity carry setup right out of the box. Night sights come standard, so you’re covered for low-light defensive use without an aftermarket sight upgrade. Because it’s a genuine Sig Sauer Caliber Exchange Kit, everything is built to factory specifications for a reliable, drop-in fit on your existing P365 frame.

Key Specifications

• 9mm caliber matches the X-Macro configuration’s standard chambering.
• Converts a compatible P365 frame to the X-Macro configuration without buying a separate pistol.
• 3.1-inch barrel length balances capacity with a compact carry footprint.
• 17-round magazine capacity gives a substantial round count for a compact pistol.
• Includes 2 steel 17-round magazines for a full-capacity carry setup.
• Night sights included support low-light defensive use.
• Genuine Sig Sauer Caliber Exchange Kit designation ensures factory-spec fit and function.
• Conversion kit format includes slide, barrel, and magazines for a complete swap.

Frequently Asked Questions

What does this kit include? It includes the slide and barrel assembly plus two steel 17-round magazines.

Does it include night sights? Yes, night sights come standard.

Does this kit include a frame? No, it’s a Caliber Exchange Kit designed to convert an existing compatible P365 frame.

Buy the Sig Sauer P365X-Macro Caliber Exchange Kit

Order the Sig Sauer P365X-Macro Caliber Exchange Kit, 9mm, from our Lubbock, Texas gun shop for fast, insured shipping. It’s a factory-spec way to reconfigure your P365, and a smart pick from our handgun slides selection.