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Sig Sauer MCX .300 Blackout Barrel Assembly - California Legal


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For the ultimate in versatility, SIG SAUER is pleased to release SIG MCX conversion kits. With a single Torx bit, an MCX owner can change caliber and barrel length in less than a minute. This 16", 300 BLK kit includes a complete barrel assembly, installation instructions and a .300 BLK warning card.


    •  798681579556
    •  Sig Sauer
    •  SGCALX-MCX-16B-300-TAP
    •  Upper
    •  300 Blackout
    •  16"
    •  Black
    •  Caliber X-Change Kit
    •  Sig MCX
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