CMMG Banshee Mk4 Complete Upper .300 AAC Blackout 8 Threaded Barrel

Upper Cmmg UPC 810097502567 MPN 30B81F4-AB

CMMG Banshee Mk4 Complete Upper .300 AAC Blackout 8 Threaded Barrel
$685.99

at Good 4 Guns ·

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4 retailers · $839.99 to $879.99 shipped

This listing: GrabAGun $729.99

Offers

CMMG BANSHEE MK4 300BLK Upper Group - 8"
Good 4 Guns In Stock Checked 15 minutes ago Condition: New
$685.99 + shipping in cart
History
CMMG Banshee Mk4 Complete Upper .300 AAC Blackout 8 Threaded Barrel
GrabAGun In Stock Checked 3 hours ago SKU GAG_CA30B81F4AB
$729.99 + shipping in cart
History
CMMG Mk4 .300BLK Banshee Upper Group Receiver 8in 1-7 Twist 5/8 X 24 TPI 16.5in Armor Black
Optics Planet In Stock Checked 5 hours ago
$839.99 + free shipping
History
CMMG 8" 300 Blackout Banshee Mk4 Complete Upper Armor Black
Natchez Shooting and Outdoors In Stock Checked 46 minutes ago
$879.99 + 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
$677.99
Typical price
$685.49
Tracked since
Oct 6, 2026

Today's best price is $8.00 above the 39-day low and about typical.

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