Complete Hydra 5.56 Upper Receiver


The Complete Hydra Upper Receiver Assembly chambered in 5.56×45!¬† We started from the Hydra Quick Change Barrel Upper Receiver (QCB-D) and added a whole lot more.¬† This Complete Upper Receiver includes a 16-inch 5.56×45 Barrel w/ Low Profile Gas Block in carbine length with Flash Hider, the Hydra Modified Bolt Carrier with a 5.56 Bolt and Firing Pin and Charging Handle.

All Complete Upper Receivers are test fired prior to packaging. Connecticut, Massachusetts and New Jersey Residents are REQUIRED to select State Compliant Options.

For Maryland and New York Residents, this Barrel Assembly will be substituted with a Bull-Nose Barrel with a Low-Profile Gas Block.

Select State Compliant Options
CT Compliant (+28.00)
MA Compliant (+28.00)
MD Compliant (Bull-Nose Barrel) (+28.00)
NJ Compliant (+28.00)
NY Compliant (Bull-Nose Barrel) (+28.00)
N/A – No Restrictions


Shipping Information:
We ship UPS Ground. All Shipping & Handling
charges are applied at checkout and will vary.
based on weight and shipping destination.

Weight 7 lbs
Dimensions 22 × 5 × 5 in

Mlok", "Keymod", "Picatinny


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SKU: HYDRA-UR-AR5.56 Category: