First Look: HYDRA Survival Package

One gun, four calibers, one case.

posted on June 24, 2024
Hydra Case

Hydra Weaponry designs and manufactures the modular MARCK-15 Hydra Weapon System and is now launching the HYDRA Survival Package (4 Caliber Kit). This innovative package combines four popular calibers into a single, versatile system, providing unmatched adaptability and performance for just about any situation.

The HYDRA Survival Package includes a 9mm Hydra Rifle with your choice of either Colt style SMG H&K MP5-style 9mm magazines, which ensure compatibility with pistol-caliber carbines and reliable feeding. There is also a Hydra 5.56 NATO Conversion Kit, which has a 16-inch 5.56 NATO barrel, a complete Hydra Modified Bolt Carrier Group, Hydra D-Fender D-Ring and an AR-15 compatible magazine well. This allows you to change your MARCK-15 into a rifle firing 5.56 NATO and use standard AR-15 magazines. Also included is a Hydra 7.62x39mm Conversion Kit, which comes with a 16-inch 7.62x39mm barrel, Hydra Enhanced 7.62x39mm bolt and firing pin installed in the Hydra-modified bolt carrier, Hydra D-Fender D-Ring and an AK-47-pattern magazine well. Finally, there is a .300BLK barrel assembly, which is a complete 16-inch .300 Blackout barrel assembly, ready for immediate use. All magazines for each caliber are included in this comprehensive package, ensuring you have everything you need right out of the box. The 4 Caliber Kit allows you to shoot four of the most-popular AR-15 calibers out there, without having to dedicate one gun to each caliber.

Each component of the HDYRA Survival Package is test-fired before packaging to guarantee top-notch performance. The rifle is equipped with full-length and carbine-length rails and has M-Lok, Keymod and Picatinny rail inserts for maximum customization. All of this is carried in a rugged tactical case which measure 30 inches x 15 inches x 5 inches and weighs 20 pounds without ammo. MSRP for the HYDRA Survival Package varies from $3,499.99 to $3,639.99, and more information this rifle as well as other products from Hydra Weaponry is available at


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