CMMG MK4 Upper Receiver Midnight Bronze 5.56 / .223 Rem 14.5 Barrel

Upper Cmmg UPC 810097506350

CMMG MK4 Upper Receiver Midnight Bronze 5.56 / .223 Rem 14.5 Barrel
$107.99

at Good 4 Guns ·

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4 retailers · $127.40 to $144.79 shipped

This listing: GrabAGun $129.99

Offers

CMMG MK4/AR15 Upper Receiver Assembly, Midnight Bronze
Good 4 Guns In Stock Checked 27 minutes ago Condition: New
$107.99 + shipping in cart
History
CMMG UPPER RECEIVER ASSEMBLY - MK4/AR15 MIDNIGHT BRONZE
E-Commerce Arms In Stock Checked 32 minutes ago Condition: New
$127.40 $112.45 + $14.95
History
CMMG MK4 Upper Receiver Midnight Bronze 5.56 / .223 Rem 14.5 Barrel
GrabAGun In Stock Checked 4 hours ago SKU GAG_55BA290MB
$129.99 + shipping in cart
History
CMMG Mk4/AR15 Upper Receiver Assembly Midnight Bronze
Optics Planet In Stock Checked 6 hours ago
$144.79 + free shipping
History

Shipping estimate for one item to the lower 48 from the retailer's published policy or feed; the retailer's cart is final.

Price history

Lowest price across retailers each day.

Lowest seen
$107.99
Typical price
$107.99
Tracked since
Jun 25, 2026

Today's best price matches the 139-day low and is about typical.

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