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MCX Rattler 5.5" Replacement Barrel - 300BLK
Sig Sauer LE/Mil
Retail: $599.00
Price: $477.00
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Availability: Back Order (No charges until it ships)
Sig Sauer LE/Mil Item #: SIG WCALX-MCX-5B-300-TAP -

Genuine replacement barrel for the 5.5" 300BLK Rattler. Complete with barrel and gas block assembly.. SIG SAUER offers upper assemblies and caliber exchange kits in various barrel lengths. All NFA rules apply to installation of these upper assemblies to lower receivers and caliber exchange kits to upper receivers. Upper assemblies and caliber exchange kits with barrel lengths less than 16 ?may only be affixed to lower receivers which (1) are not recorded as a rifle lower by the manufacturer...

MCX Virtus 11.5" Caliber Exchange Kit - 5.56
Sig Sauer
Retail: $599.00
Price: $477.00
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Availability: Special Order
Sig Sauer Item #: SIG WCALX-MCX-11B-556-TAP -

MCX Virtus 16" Caliber Exchange Kit - 300BLK
Sig Sauer LE/Mil
Retail: $599.00
Price: $477.00
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Availability: In Stock
Sig Sauer LE/Mil Item #: SIG WCALX-MCX-16B-300-TAP -

Convert your AR15 to the SIG SAUER MCX Virtus. Complete with Virtus barrel and gas block assembly. SIG SAUER offers upper assemblies and caliber exchange kits in various barrel lengths. All NFA rules apply to installation of these upper assemblies to lower receivers and caliber exchange kits to upper receivers. Upper assemblies and caliber exchange kits with barrel lengths less than 16 ?may only be affixed to lower receivers which (1) are not recorded as a rifle lower by the manufacturer and...

MCX Virtus 16" Caliber Exchange Kit - 5.56
Sig Sauer LE/Mil
Retail: $599.00
Price: $477.00
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Availability: Back Order (No charges until it ships)
Sig Sauer LE/Mil Item #: SIG WCALX-MCX-16B-556-TAP -

Convert your AR15 to the SIG SAUER MCX Virtus. Complete with Virtus barrel and gas block assembly. SIG SAUER offers upper assemblies and caliber exchange kits in various barrel lengths. All NFA rules apply to installation of these upper assemblies to lower receivers and caliber exchange kits to upper receivers. Upper assemblies and caliber exchange kits with barrel lengths less than 16 ?may only be affixed to lower receivers which (1) are not recorded as a rifle lower by the manufacturer and...

MCX Virtus 6.75" Caliber Exchange Kit - 300BLK
Sig Sauer LE/Mil
Retail: $612.00
Price: $450.00
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Availability: Back Order (No charges until it ships)
Sig Sauer LE/Mil Item #: SIG WCALX-MCX-6B-300-TAP -

MCX Virtus 9" Caliber Exchange Kit - 300BLK
Sig Sauer LE/Mil
Retail: $612.00
Price: $450.00
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Availability: Discontinued
Sig Sauer LE/Mil Item #: SIG WCALX-MCX-9B-300-TAP -

MPX G2 8" BARREL - 9MM
Sig Sauer LE/Mil
Retail: $599.00
Price: $440.50
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Availability: Special Order
Sig Sauer LE/Mil Item #: SIG CALX-MPX-8B-9-G2 -

P320 Carry Caliber Exchange Kits
Sig Sauer
Retail: $399.00
Price: $293.50-$440.50
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Availability: Back Order (No charges until it ships)
Sig Sauer Item #: SIG CALX-320CA -

    P320 Compact Caliber Exchange Kits
    Sig Sauer
    Retail: $399.00
    Price: $293.50-$440.50
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    Availability: Back Order (No charges until it ships)
    Sig Sauer Item #: SIG CALX-320C -

      P320 Full-Size Caliber Exchange Kits
      Sig Sauer
      Retail: $399.00
      Price: $293.50-$440.50
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      Availability: Back Order (No charges until it ships)
      Sig Sauer Item #: SIG CALX-320F -

        P320 Sub-Compact Caliber Exchange Kits
        Sig Sauer
        Retail: $399.00
        Price: $293.50
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        Availability: Back Order (No charges until it ships)
        Sig Sauer Item #: SIG CALX-320SC -