SIG SAUER MCX AR-15 5.56x45mm NATO Caliber Exchange Kit 9in Black

Gun Parts Sig Sauer UPC 798681682300 MPN WCALXMCX556N9BLT SKU SD9-CNC-MCX556-WCALX-MCX-556N-9B-LT-0RD

SIG SAUER MCX AR-15 5.56x45mm NATO Caliber Exchange Kit 9in Black
$779.99

Up 1.3% since Nov 14

at Optics Planet ·

Free shipping over $49

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Price history

Lowest seen
$769.99
Typical price
$774.99
Tracked since
Oct 29, 2026

This price is $10.00 above the 16-day low and 1% above typical.

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