Sig Sauer CALXMCX6B300TAP MCX Caliber Exchange Kit 300 Blackout 6.75" Black Nitride Carbon Steel Barrel with Three Prong Flash Hider & Gas Block Assembly for AR-15, Fits MCX Virtus

product code:CALXMCX6B300TAP

UPC:798681579563

Brand:Sig Sauer

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