Sig Sauer Cal-X Kit P365X-Macro 9mm 3.1″ 17rd (2 Mags)

Description

The Sig Sauer Caliber Exchange (Cal-X) Kit converts a compatible P365 into the P365X‑Macro configuration without replacing the entire pistol. This complete kit includes a slide assembly with integrated compensator, a 3.1″ barrel chambered in 9mm, X‑RAY 3 night sights, a grip module with interchangeable backstraps, and two 17‑round steel magazines. The slide is optics-ready with a cut compatible with common reflex footprints. It provides a factory-style route to the P365X‑Macro layout for users seeking increased capacity and the platform’s ergonomics.

Key Specifications

• The caliber is 9mm.
• The barrel measures 3.1″.
• The kit provides a capacity of 17 rounds.
• Included magazines are two 17‑round steel magazines.
• The barrel/slide assembly features an integrated compensator.
• The sighting system is X‑RAY 3 night sights.
• The slide is optic-ready and cut for RomeoZero, RMSc and Holosun 507K-style reflex optics.
• The kit is designed to fit Sig P365 platforms and supports the 365‑Macro/X‑Series footprint.
• The product type is a conversion kit that supplies a complete slide assembly and grip module.

This Cal‑X kit delivers a practical, factory-style path to the P365X‑Macro configuration, combining higher capacity, a compensated slide, night sights, and an optic-ready platform in a single package. It’s well suited for shooters who want a compact, higher-capacity setup with integrated features and factory-matched components.