Home / Complete Uppers / HM Defense / HM Defense MonoBloc Upper 5.56 NATO / .223 Rem 16 Barrel with Free-Float Handguards
12% below avg
HM Defense MonoBloc Upper 5.56 NATO / .223 Rem 16 Barrel with Free-Float Handguards

HM Defense MonoBloc Upper 5.56 NATO / .223 Rem 16 Barrel with Free-Float Handguards

Lowest Price
$675
MSRP
$933.82
Savings
28% off
In Stock at
5 Stores
Updated
May 26, 2026

Specifications

Model
MonoBloc
MPN
16MBUP556L
UPC
854164007234

Description

HM Defense MonoBloc Upper Features HM Defense s mission is to advance AR15 / AR10 rifle technology to its highest level. They strive to create rifles that are more accurate easier to maintain and dependable in extreme conditions. HM Defense MonoBloc Upper Specifications Caliber: 5.56x45mm NATO Model: MonoBloc Upper Handguard Finish: Black Hard Coat Anodized Handguards: 10.37 M-LOK Free-Float Receiver Finish: Black Hard Coat Anodized Receiver Material: 7075 T6 Aluminum Twist: 1:8 Weight: 4.36 lbs Barrel Description: Match Grade Barrel Finish: Black Cerakote Barrel Material: 4150 Chrome Moly
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