Sig Sauer MCX .300 BLK 5.56 Conv Kit RMCX-300B-16B-CAL-P-CKIT
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$1,999.99
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$0
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Updated
Aug 26, 2026
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Description
This semi-automatic Sig Sauer MCX .300 BLK rifle features a 16" barrel, folding stock, aluminum handguard, and a 5.56 Conversion kit. Sig Sauer MCX .300 BLK 5.56 Conv Kit RMCX-300B-16B-CAL-P-CKIT
