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MCX Rattler 5.5" Caliber Exchange Kit - 5.56 sig, sig sauer, sig sauer mcx, sig mcx, sig mcx barrel, sig mcx barrel 5.56, sig 5.56 barrel, sig rattler barrel, sig rattler
Sig Sauer
Retail: $899.99
Price: $729.00
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Sig Sauer Item #: SIG WCALX-MCX-5B-556-TAP -

Genuine replacement barrel for the 5.5" 5.56 nato 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...

MCX SPEAR LT 9" 300BLK BARREL AND GAS BLOCK ASSEMBLY SIG, SIG SAUER, sig le/mil, sig mcx, sig mcx sbr, sig Spear SBR, SBR Spear, SIG 300BO Spear, SIG 300BO SBR Spear, SIG MCX LT Spear SBR, SIG MCX Spear LT 300BO SBR
Sig Sauer
Retail: $899.99
Price: $699.00
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Sig Sauer Item #: SIG 8901315 -

MCX Virtus 9" Caliber Exchange Kit - 300BLK
Sig Sauer
Retail: $699.99
Price: $570.00
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Sig Sauer Item #: SIG WCALX-MCX-9B-300-TAP -

P320 Carry Caliber Exchange Kits
Sig Sauer
Retail: $429.99
Price: $336.00
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Sig Sauer

P320 Compact Caliber Exchange Kits
Sig Sauer
Retail: $429.99
Price: $336.00
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Availability: Out Of Stock / Not Available For Back Orders
Sig Sauer

P320 Full-Size Caliber Exchange Kits
Sig Sauer
Retail: $429.99
Price: $336.00
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Availability: Out Of Stock / Not Available For Back Orders
Sig Sauer

P320 Sub-Compact Caliber Exchange Kits
Sig Sauer
Retail: $429.99
Price: $336.00
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Availability: Out Of Stock / Not Available For Back Orders
Sig Sauer

CAL-X KIT, SIGMCX, 5.56 NATO, 11.5IN, LT SIG, SIG SAUER, sig le/mil, sig mcx, sig mcx sbr, sig Spear SBR, SBR Spear, SIG 5.56 Spear, SIG 5.56 SBR Spear, SIG MCX LT Spear, sig MCX Spear Caliber Exchange, 11.5" Caliber Exchange Kit
Sig Sauer LE/Mil
Retail: $999.99
Price: $729.00
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Availability: Out Of Stock / Not Available For Back Orders
Sig Sauer LE/Mil Item #: SIG WCALX-MCX-556N-11B-LT -

CAL-X KIT, SIGMCX, 5.56 NATO, 14.5IN, LT SIG, SIG SAUER, sig le/mil, sig mcx, sig mcx sbr, sig Spear SBR, SBR Spear, SIG 5.56 Spear, SIG 5.56 SBR Spear, SIG MCX LT Spear, sig MCX Spear Caliber Exchange, 14.5" Caliber Exchange Kit
Sig Sauer LE/Mil
Retail: $899.99
Price: $729.00
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Availability: Out Of Stock / Not Available For Back Orders
Sig Sauer LE/Mil Item #: SIG WCALX-MCX-556N-14B-LT -

CAL-X KIT, SIGMCX, 5.56 NATO, 16IN, LT sig, sig sauer, sig mcx, sig mcx spear, sig mcx spear 16" barrel, sig 16" MCX Spear 5.56, 5.56 MCX Spear LT Barrel
New!
Sig Sauer LE/Mil
Retail: $999.99
Price: $729.00
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Availability: Out Of Stock / Not Available For Back Orders
Sig Sauer LE/Mil Item #: SIG WCALX-MCX-556N-16B-LT -

MCX Rattler 5.5" Caliber Exchange Kit - 300BLK
Sig Sauer LE/Mil
Retail: $999.99
Price: $729.00
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Availability: Out Of Stock / Not Available For Back Orders
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 SPEAR LT 9" Caliber Exchange Kit - 300BLK SIG, SIG SAUER, sig le/mil, sig mcx, sig mcx sbr, sig Spear SBR, SBR Spear, SIG 300BO Spear, SIG 300BO SBR Spear, SIG MCX LT Spear SBR, SIG MCX Spear LT 300BO SBR
Sig Sauer LE/Mil
Retail: $999.99
Price: $729.00
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Sig Sauer LE/Mil Item #: SIG WCALX-MCX-300B-9B-LT -

MCX SPEAR LT 9" Caliber Exchange Kit - 5.56 NATO
Sig Sauer LE/Mil
Retail: $999.99
Price: $729.00
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Availability: Out Of Stock / Not Available For Back Orders
Sig Sauer LE/Mil Item #: SIG WCALX-MCX-556N-9B-LT -

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 do not have a stock attached to the lower receiver or (2) registered with the BATFE as a short...

MPX G2 4.5" BARREL - 9MM sig, sig sauer, sig mpx, sig sauer MPX, sig sauer mpx 4.5 inch, 4.5in MPX caliber exchange kit, SIG 4.5" Caliber Exchange Kit, MPX caliber exchange kit
Sig Sauer LE/Mil
Retail: $799.99
Price: $639.00
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Availability: Out Of Stock / Not Available For Back Orders
Sig Sauer LE/Mil Item #: SIG CALX-MPX-4B-9-G2 -

MPX G2 6.5" Barrel - 9mm sig, sig sauer, sig mpx, sig sauer MPX, sig sauer mpx 6.5 inch, 6.5in MPX caliber exchange kit, SIG 6.5" Caliber Exchange Kit, MPX caliber exchange kit
Sig Sauer LE/Mil
Retail: $799.99
Price: $639.00
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Sig Sauer LE/Mil Item #: SIG CALX-MPX-6B-9-G2 -

MPX G2 8" BARREL - 9MM
Sig Sauer LE/Mil
Retail: $799.99
Price: $639.00
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Sig Sauer LE/Mil Item #: SIG CALX-MPX-8B-9-G2 -