AR mag for the HYDRA® modular lower system, This Mag well may be the most versatile of all that we offer allowing 7 plus different calibers to be fired through it simple as changing the bolt and barrel with our Hydra® System. Some of the available calibers are .22 rimfire, .223 or 5.56, 6.5 Grendel, 6.8spc, .458 Socom, and the .50 Beowolf®.

California Residents are REQUIRED to select the California Bullet Button Option.

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