Convert your MCX from another caliber or barrel length with this new OEM Sig Sauer MCX conversion kit! Compatible with standard AR15 magazines.
SIG SAUER Caliber X-Change Kit MCX .300 AAC Blackout 16″, Tapered Lug- Black
SKU: CALX-MCX-16B-300-TAP
UPC: 798681579556
SIG SAUER Caliber X-Change Kit.
$524.99
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