MG Industries, manufacturer of the modular MARCK-15 AR “Hydra” platform, announces the MARCK-15 .450 Thumper configuration of its popular Hydra platform is now available.

The .450 Thumper round gives the Hydra another hard hitting configuration for hunters to use when taking down large game. With this system, the user can purchase and utilize the rest of MGI’s ever-growing system, including the various magazine wells and caliber conversions. To convert this system to another caliber, simply change the barrel, bolt and magazine well to the desired caliber. With caliber conversions already available, and many more coming into production, this weapon system continues to grow and become the most versatile black rifle platform the industry has ever seen.

Like most configurations of the Hydra, this weapon ships to you in a standard, hard-sided, lockable pistol case.

The MARCK-15 Hydra .450 Thumper rifle has a suggested retail price of $1,495.00.

For more information, visit or your local retailer. Retailers, contact MGI at to find out more about carrying the most modular rifle system in the world.

MGI Hydra .450T Rifle Specifications:

Caliber:                                   .450 Thumper
Overall Length:                      36 Inches
Overall Height:                       7 Inches
Overall Width:                        2.5 Inches
Barrel Length:                        16 Inches
Weight:                                   7.6 Lbs.
Magazine Type/Cap:              AR/30 Rounds


Image courtesy MG Industries

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