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Sig Sauer Cal-X Kit SIGMCX 300 BLK 9" Tapered Lug CALX-MCX-9B-300-TAP


Export Restrictions
No Exports
Due to government regulations and/or manufacturer stipulations we are unable to export this item outside of the United States. Please see our Export Policy.


Sig Sauer MCX conversion kit to .300 BLACKOUT with a 9" barrel and tapered lug. This caliber exchange kit works with both MCX rifles and MCX pistols.


  • Caliber:.300 BLACKOUT
  • Item ConditionNew
  • UPC798681579570

Customer Reviews

Average Rating
January 7, 2019

Looked long & hard. Best price on the net. I could find. Will look Here first for now on. Thank EUROOPTIC!!!

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