CMMG Mk4/AR-15 Upper Receiver Assembly Armor Black

Upper Cmmg UPC 810097506329 MPN 55BA290AB

$132.49

at Natchez Shooting and Outdoors · checked 3 hours ago

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6 retailers · $135.93 to $154.49 shipped

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Lowest price across retailers each day.

Lowest seen: $112.45
Typical price: $117.98
Tracked since: Jun 23, 2026

Today's best price is $20.04 above the 138-day low and 12% above typical.

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