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Bought this directly from Sig. Decided to keep my MCX as a 556 so I'm selling the kit. Genuine factory parts from Sig Sauer. NEW NEVER USED.
Convert your MCX from another caliber to .300 BlackOut. Includes a BlackOut barrel assembly and bolt. Compatible with standard AR15 magazines. Sig Sauer Caliber Exchange Kit, For Sig MCX, 300BLK, 16", Black
Part #: CALX-MCX-16B-300B.
$500.00
No offers considered.
TEXT ME FOR FASTER RESPONSE 949-FOUR TWO TWO-5208
Thanks
Convert your MCX from another caliber to .300 BlackOut. Includes a BlackOut barrel assembly and bolt. Compatible with standard AR15 magazines. Sig Sauer Caliber Exchange Kit, For Sig MCX, 300BLK, 16", Black
Part #: CALX-MCX-16B-300B.
$500.00
No offers considered.
TEXT ME FOR FASTER RESPONSE 949-FOUR TWO TWO-5208
Thanks
