CMMG Mk4 .300BLK Banshee Upper Group Receiver 8in 1-7 Twist 5/8 X 24 TPI 16.5in Armor Black
$685.99
at Good 4 Guns ·
4 retailers · $839.99 to $879.99 shipped
This listing: Optics Planet $839.99
Offers
$685.99
+ shipping in cart
History
$729.99
+ shipping in cart
History
$839.99
+ free shipping
History
$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.
Embed this chart
Price alert
Free. No account needed.