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  1. Sig Sauer MCX AR15 Conversion Kit - 16" 5.56mm NATO
    Sig Sauer MCX AR15 Conversion Kit - 16" 5.56mm NATO Learn More
  2. Sig Sauer MCX Conversion Kit (Tapered Lug) - 16" .300 BLK
    Sig Sauer MCX Conversion Kit (Tapered Lug) - 16" .300 BLK Learn More
  3. Sig Sauer MCX Conversion Kit (Tapered Lug) - 6.75" .300 BLK
    Sig Sauer MCX Conversion Kit (Tapered Lug) - 6.75" .300 BLK Learn More
  4. Sig Sauer MCX Conversion Kit (Tapered Lug) - 9" .300 BLK
    Sig Sauer MCX Conversion Kit (Tapered Lug) - 9" .300 BLK Learn More
  5. Sig Sauer P226 Legion RX 9mm Caliber X-Change Kit

    Sig Sauer P226 Legion RX 9mm Caliber X-Change Kit

    $699.99


    Sig Sauer P226 Legion RX 9mm Caliber X-Change Kit (15rd) Learn More
  6. Sig Sauer P229 Legion RX 9mm Caliber X-Change Kit
    Sig Sauer P229 Legion RX 9mm Caliber X-Change Kit (15rd) Learn More
  7. Sig Sauer P320 9mm SubCompact Caliber X-Change Kit

    Sig Sauer P320 9mm SubCompact Caliber X-Change Kit

    $351.99


    Convert your P320 to 9mm SubCompact with this Caliber X-Change Kit. This is not compatible with .45 ACP P320's but is compatible with all 9mm, .40 S&W, and .357 Sig P320's. Learn More
  8. Sig Sauer P320 Carry 9mm Caliber Exchange (X-Change) Kit, 17rd
    Sig Sauer P320 Carry Caliber Exchange Kit, 9mm, 17rd Learn More
  9. Sig Sauer P320 Compact 9mm Caliber Exchange (X-Change) Kit, 10rd
    Convert your P320 to a compact 9mm. This doesn't work with .45 ACP P320's. Includes grip shell, full slide assembly with SIGLite night sights pre-installed and one 10rd magazine. Learn More
  10. Sig Sauer P320 Compact RX Caliber X-Change Kit w/ Night Sights - 9mm

    Sig Sauer P320 Compact RX Caliber X-Change Kit w/ Night Sights - 9mm

    Learn More

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Sig Sauer's Caliber X-Change Kits let you change the caliber of your centerfire pistol. These are specific to your exact model of pistol. You cannot use a P229 Caliber X-Change Kit on a P226 or vice versa.
Conversion & Caliber X-Change Kits

Minimal Price: $ 250.99 250.99