SIG CAL-X KIT MCX 300BLK 9" TAP

Updated 04/22/26: We STIL ship ammo to CA now WITHOUT FFL required! Straight to your house. Ammo cases are shipping out quickly, But for smaller boxes order, expect a 6-10 day delay. If you place the order upon this text, it is valid and locked in, exempt from the rules change in the future.

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Sig Sauer

SIG CAL-X KIT MCX 300BLK 9" TAP

Item : 145226

SKU : CALXMCX9B300TAP

Model : MCX Virtus

UPC : 798681579570

$699.00

$599.43

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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.