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  1. Sig P320 Compact .40 S&W Caliber Exchange (X-Change) Kit
    Sig P320 Compact .40 S&W Caliber Exchange (X-Change) Kit, 13rd Learn More
  2. Sig Sauer P320 Compact .357 Sig Caliber Exchange (X-Change) Kit
    Convert your P320 to a compact .357 Sig. This doesn't work with .45 ACP P320's. Includes grip shell, full slide assembly with SIGLite night sights pre-installed and one 13rd magazine. Learn More

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Shop for a variety of Sig Sauer accessories including magazines, Caliber X-Change Kits, holsters, mag pouches, carry bags, parts, springs, and optics.