The Sig Sauer P320-M18 Caliber X-Change Kit (Sig Sauer part no. 8900268) in Coyote lets you convert a compatible P320 frame to the M18 configuration in 9mm. The kit includes three magazines, one 17-round and two 21-round, giving you flexibility between a compact carry configuration and extended-capacity range magazines. A 3-dot sight system comes standard for straightforward, reliable sighting. Because it’s a genuine Sig Sauer X-Change Kit, everything is built to factory specifications for a reliable, drop-in fit and a Coyote finish that matches tan and desert-themed builds.

Key Specifications

• 9mm caliber matches the M18 configuration’s standard chambering.
• Converts a compatible P320 frame to the M18 configuration without buying a separate pistol.
• Coyote finish matches tan and desert-themed builds.
• 21-round primary magazine capacity gives a substantial round count for range or duty use.
• Includes 3 magazines total, one 17-round and two 21-round, for flexible capacity options.
• 3-dot sight system comes standard for straightforward, reliable sighting.
• Genuine Sig Sauer Caliber X-Change 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 three magazines, one 17-round and two 21-round.

Does this kit include a frame? No, it’s a Caliber X-Change Kit designed to convert an existing compatible P320 frame.

What finish does this kit come in? Coyote, matching tan and desert-themed builds.

Buy the Sig Sauer P320-M18 Caliber X-Change Kit

Order the Sig Sauer P320-M18 Caliber X-Change Kit in Coyote from our Lubbock, Texas gun shop for fast, insured shipping. It’s a factory-spec way to reconfigure your P320, and a smart pick from our handgun parts selection.