SIG Sauer P365-380 CAL-X Kit – .380 ACP, 3.1" Barrel, Black (8900719)

This is the factory P365-380 CAL-X Kit that converts a compatible P365 fire-control unit to a P365-380 setup. You get a complete Nitron slide assembly, a 3.1-inch .380 AUTO barrel, SIGLITE night sights, the standard P365 grip module, the recoil assembly, and one 10-round steel magazine. SIG Sauer part number 8900719, UPC 798681655823.

This listing is for the P365-380 CAL-X Kit (.380 ACP, 3.1", Black, part 8900719) only.

What This Kit Is For

SIG Sauer lists this as a complete CAL-X kit that lets you convert your P365 to a P365-380. Same FCU, different upper and grip package — chambered in .380 AUTO with the shorter-recoil micro-compact setup SIG publishes for that caliber.

What Comes in the Kit

• Complete slide assembly with Nitron finish
• 3.1-inch .380 AUTO barrel
• SIGLITE night sights
• Recoil assembly included
• Standard P365 grip module, black polymer
• (1) 10-round steel magazine

SIG Sauer states this kit is optic ready, has no manual safety cut, and is not compatible with CA Compliant Fire Control Units (FCU).

SIG Sauer P365-380 CAL-X Kit Specifications

Frequently Asked Questions

Is this a complete pistol?
No. It is a CAL-X conversion kit. You need a compatible P365 fire-control unit to complete a working pistol.

What caliber is this kit?
.380 AUTO only, with the 3.1-inch barrel SIG lists for this kit.

How many magazines ship with it?
SIG Sauer lists one 10-round steel magazine.

Will it work with a California-compliant FCU?
SIG Sauer states it is not compatible with CA Compliant Fire Control Units.

Is the slide optic ready?
Yes. SIG Sauer lists this kit as optic ready.