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Products : HYDRA Rifles

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AR-15 5.56 HYDRA

The MARCK-15, also known as the "Hydra", is the base system for everything associated with the MGI® Modular Weapon System.  This configuration of the Hydra is setup as a 5.56 x 45.  It includes the MGI® Modular Lower Receiver with an AR Magazine Well, an AR Magazine, the MGI® Quick Change Barrel Upper Receiver (QCB-D),...