CMMG Mk4/AR-15 Upper Receiver Assembly Tungsten 5.56 / .223 Rem 14.5 Barrel
$107.99
Out of stock
at Good 4 Guns ·
4 retailers · none in stock
This listing: GrabAGun $129.99, out of stock
Offers
$107.99
+ shipping in cart
History
$127.40
$112.45 + $14.95
History
$129.99
+ shipping in cart
History
$139.99
+ 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
- $106.99
- Typical price
- $107.99
- Tracked since
- Jun 25, 2026
Today's best price is $1.00 above the 140-day low and about typical.
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