Hydra MARCK-15 5.56x39mm AR-15 Rifle w/ MLOK

The MARCK-15, also known as the “Hydra”, is the base system for everything associated with the Hydra® Modular Weapon System.  This configuration of the Hydra is setup as a 5.56 x 45.  It includes the Hydra® Modular Lower Receiver with an AR Magazine Well, an AR Magazine, the Hydra® Quick Change Barrel Upper Receiver (QCB-D), a 16-inch 5.56 Barrel with a Low-Profile Gas Block, underneath an 11.5″ transformable handguard. A Hydra® Modified Bolt Carrier with a 5.56 Bolt and Firing Pin, the Hydra® D-Fender D-Ring for increased reliability, and a B5 systems stock and pistol grip. 

Fits 5.56 and 223 Mags and Drums

Photo Shows Examples, Drums sold separately.

DISCLAIMER: Firearms/receivers are subject to state-specific shipping restrictions and must be transferred through a valid FFL dealer. Receivers cannot be shipped to CA, CO, CT, DE, MD, MA, NJ, NY. Please visit our shipping restrictions page to review all applicable restrictions for your state. Subject to change.