Price history at United States Association of Gun Owners
Recorded at United States Association of Gun Owners since Oct 9, 2026: low $612.58 (Oct 9, 2026), high $650.00 (Oct 11, 2026). Last checked Oct 30, 2026.
From the store's product feed and AvantLink's price records; feeds can lag the store's own site.
Product Description
The MonoBloc Upper features a HM barrel with an integral machined patented gas block, and a carbine gas system. It is also 4150 Chromoly, match grade, tripled honed, and button rifled. Its handguard is free-floating and uses a Picatinny rial, Magpul M-LOK, and machined from 6061-T6 aluminum. Upper and Lower receiver are made of 7075-T6 aluminum with a hard coat anodized finish. The MonoBloc Upper also includes a patented HMB bolt, Mil-Spec components, charging handle, and a dust cover with an American Flag.
HM Defense 16MBUP556 MonoBloc Upper 223 Rem, 5.56x45mm NATO 16" Black Cerakote Barrel, 7075-T6 Aluminum Black Anodized Receiver, 15" M-LOK Free-Float Handguard for AR-15
$624.48
In Stock
at United States Association of Gun Owners
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