MGI's MARCK-15 Hydra Vipera SMG 9mm Pistol Now Available

Nathaniel F
by Nathaniel F

MGI, makers of the modular AR-15-based Hydra rifle, has now made available a pistol version in 9mm. From the press release:

MGI’s MARCK-15 Hydra Vipera SMG 9mm Pistol Now Available and Shipping

Old Town, Maine (October 2014) MG Industries, manufacturer of the modular MARCK-15 AR “Hydra” platform, is pleased to announce that the long awaited Hydra Vipera 9mm SMG Pistol is now available and shipping. Just as modular and versatile as the full grown Hydra, this pistol variant packs a big punch in a small package.

Source: ci3.googleusercontent.com

Incorporating MGI’s Quick Change Barrel (QCB-D) Upper Receiver and Modular Lower receiver with a 7.5″ barrel, this pistol will meet all defensive needs. Firing 9mm ammo from standard Colt style magazines, this Hydra variant, made from Mil-Spec 7075 aluminum, comes with all Mil-Spec internal parts and a life time guarantee.

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

The MARCK-15 Hydra Vipera 9mm SMG is the first and only truly modular pistol that can convert into multiple calibers in just minutes. Designed by an industry innovator and Veteran, the MARCK-15 Hydra Vipera is the obvious choice for individuals wanting more caliber choices on one platform. The MGI Hydra Vipera 9mm SMG has a suggested retail price of $1289.00

For more information, visit www.mgi-military.com or your local retailer. Retailers, contact MGI at MGI@MGImilitary.com to find out more about carrying the most modular rifle system in the world.

MGI Hydra Vipera 9mm SMG Pistol Specifications:

Caliber: 9mm

Overall Length: 24 inches

Overall Height: 7 inches

Overall Width: 2.5 inches

Barrel Length: 7.5 inches

Weight: 5.5 lbs.

Magazine Type/Cap: Colt style magazines

The Hydra rifle and pistol both seem like good guns for the AR-15 enthusiast who doesn’t want to have to own several rifles to be able to shoot many different calibers or configurations. It makes a good deal of sense for MGI to want to enter the brace-driven “rifle-derived pistol Renaissance”.

Nathaniel F
Nathaniel F

Nathaniel is a history enthusiast and firearms hobbyist whose primary interest lies in military small arms technological developments beginning with the smokeless powder era. He can be reached via email at nathaniel.f@staff.thefirearmblog.com.

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  • Derfelcadarn Derfelcadarn on Oct 26, 2014

    Another fine example of just because you can does not mean you should.

  • Big daddy Big daddy on Oct 26, 2014

    I have an excellent and fun to shoot 9mm AR. The older DDLES lower, CMMG upper with 8" cut barrel, Vortex hider, Yankee Hill carbine rail, SIG brace and it's a great gun. I'd use it for HD with HST 147 +P rounds, no flash, no recoil. Bent a bolt catch firing hot ammo so I went with a Wolff HD spring. It's heavy a bit now because of the 9mm buffer that weights a lot. Add the mag and 32 rounds and it does get a bit heavy which is fine, it has almost no recoil even with the hot 127 +P+ Ranger T loads. Qcircle10 is making the DDLES lowers now and coming out with a lot more stuff for the 9mm and .40 AR. Also is the Bazooka gas operated .45 AR........yeah a gas operated .45 AR, now that's what I want. The only issue with the AR45 is the M3 grease gun mags. They need to come up with a double stack .45 30 round magazine. The M3 mags are very longand heavy, I know I carried one in the Army.

    • See 2 previous
    • Cymond Cymond on Oct 27, 2014

      @big daddy Yeah, they're fat, but if they'll fit double-stacked in a Glock magwell, there's no reason they wouldn't work in an external magazine. Besides, if the mags were single-stack, we'd be talking about a magazine that's half an inch wide but at least 2 feet long just to hold 30 rounds. Check out this pic of a 15-round magazine for a 1911. However, apparently the M3 magazines are single-feed, so more like a typical pistol than like an Uzi or AR-15 double-feed magazines. In other words, single-stack feed lips with a double-stack body.

      FWIW, the KeepShooting brand magazines claim that they measured hundreds of GI magazines to get an average size. However, I haven't tried them or looked for any independent reviews.

      "I am sure you know all about the horrors associated with USGI M3 magazines, most of which stem from a poor single-feed design. Not to mention, there are not too many USGI M3 magazines that are even the same. Well, we put these concerns to rest by taking precise measurements on hundreds of USGI M3 magazines to come up with an average with which to use in the design of our magazine. These measurements affected everything from the width of the feed lips and the degree of the follower to the location of the magazine release engagement and the overall dimensions. We also enhanced several components, including the follow, the spring and the interior of the body while deburring and polishing all surfaces for a smooth operation – I am talking smooth as butter. The result is what we believe to be the best M3 Grease Gun Magazine on the planet, one that functions in any firearm designed to accept an unmodified M3 magazine."

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