Hydra Marck-15 rifle system 5.56 N

Hydra Marck 15 multicaliber rifle system, NEW IN BOX,  NEVER FIRED.

The gun has a micro scratch on the left side of lower just minimal, caused by showing at gunshows. Probably won't be able to see it in picturesThe MARCK 15 also known as the Hydra is the base system for everything associated with our system. It includes the Modular Lower Receiver with a 5.56(AR) Magazine Well the QCB-D Upper Receiver and a 16-inch barrel with an A2 sight base and MGI's modified bolt carrier.

With this base rifle you can purchase and utilize the rest of ever-growing system including our conversion kits. To convert this system the most you will have to change are three components: the barrel bolt and magazine well. For some calibers simply change the bolt and barrel on this weapon and the user will be able to fire 7 plus calibers including .22 rim-fire .223 or 5.56 6.5 Grendel 6.8 SPC .450 Thumper .458 SOCOM and the .50 Beowulf. All Rifles are tested and fired prior to packaging.ù


This rifle is in 5.56 caliber. Other calibers available on order. 

The MARCK-15 rifle features the complete modularity and interchangeability of the Hydra Modular Rifle System. The 5.56 Hydra weapon system is ready to fire right out of the box and comes standard with a Modular Lower Receiver with a 5.56mm Magazine Well, the QCB-D Upper Receiver and a 16-inch barrel with a low profile gas block or with an A2 style front sight tower.

By simply changing the bolt, barrel and mag well without tools on this system, the user will be able to fire 40-plus calibers, including .22 rimfire, .223 or 5.56, 6.5 grendel, 6.8 spc, thumper, .458 socom and the .50 Beowulf.




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