Mgi Marck15 5.56Nato Hydra Belt Fed

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) a 16-inch 5.56 Barrel with an A2 Front Sight Base the MGI Modified Bolt Carrier with a 5.56 Bolt and Firing Pin the MGI D-Fender D-Ring for increased reliability and a Standard M4 Profile Six Position Mil Spec Stock. Everything comes packaged in a Standard Hard-Sided Lockable Pistol Case. With this base rifle you can purchase and utilize the rest of an ever-growing system including our various magazine wells and caliber conversion kits. To convert this system to another caliber the most you will need to change is the barrel bolt and magazine well to the desired caliber. For some calibers simply changing the barrel and bolt on this weapon will allow you to fire multiple calibers.