Cal Xchg Kit 300 Blk 9 `
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Sig Sauer

Cal Xchg Kit 300 Blk 9 `

Product Code: CALX-MCX-9B-300-TAP UPC/Barcode: 798681579570

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The official conversion kit for your MCX Virtus. Convert your AR15 to the 9" 300 Blackout MCX Virtus. Complete with Virtus barrel and gas block assembly.

The National Firearms Act regulates the configurations of some firearms assembled with barrels under 16in long. Know the NFA laws in your state before purchasing this item.