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$1299.00
(MARCK15-AK47-003-BN)

This configuration of the Hydra is set up as a 7.62 x 39. It includes the MGI® Modular Lower Receiver with a 7.62 x 39 (AK-47) Magazine Well, an AK Magazine, the MGI® Quick Change Barrel Upper Receiver (QCB-D), a Bull Nose 7.62 x 39 Barrel with a Low Profile Gas Block, and the MGI® Modified Bolt Carrier with th...

$535.00
(MGI-BBL-450T-003)

This 16-inch, phosphated coated .458 SOCOM barrel comes complete with low profile gas block, gas tube, and flash hider.

$1399.00
*Optics not included

(MARCK15-AK47-003-THG)


This configuration of the Hydra is set up as a 7.62 x 39. It includes the MGI® Modular Lower Receiver with a 7.62 x 39 (AK-47) Magazine Well, an AK Magazine, the MGI® Transforming Hand Guard Upper Receiver, a 16-inch 7.62 x 39 Barrel with a Low Profile Gas Block, and the MGI® Modif...

$1499.00
(MARCK15-458S-003)

The MARCK-15, also known as the "Hydra", is the base system for everything associated with the MGI® Modular Weapon System. This configuration of the Hydra is setup as a .458 SOCOM and gives a HARD HITTING setup to take down larger game as you desire. It includes the MGI® Modular Lower Receiver with an AR Magazine W...

$699.00
(MGI-CVP-458S)

This Conversion Kit for .458 SOCOM includes 16-inch .458 Socom Barrel with Low Profile Gas Block, .458S Bolt with Firing Pin, the MGI® D-Fender D-Ring for increased reliability, and AR Mag Well.

Tactical Case with Custom Cut Insert
$225.00
(MGI-CASE-COMBO-36)

Plano's All Weather™ 36-inch Tactical Gun Case with Custom-cut insert protects your Hydra firearm and components from damage and the elements. With rugged, industrial strength construction and a continuous Dri-Loc® Seal, All Weather™ cases create watertight and airtight shields that protect your guns even in the ...

MGI-HG-RIFLE-D
$299.00
(MGI-HG-RIFLE-D)

An exciting new change that will transform your Hydra!  A unique MGI® Handguard that is a Transforming Rail System and is a great Handguard replacement for your Quick Change Barrel Upper Receiver (QCB-D).  The style and feel of this Handguard will transform your Hydra with attitude! 

The MGI® Rifle Length Tr...

CVP-AK47-003
$555.00
(MGI-CVP-AK47-003)

This Conversion Kit for 7.62 x 39 includes 16-inch 7.62 x 39 Barrel with a Low Profile Gas Block,  the MGI® Enhanced 7.62 x 39 Bolt and Firing Pin (EAK), the MGI® D-Fender D-Ring for increased reliability, and AK Mag Well.

This Conversion Package  is designed to use standard Warsaw Pact metal magazines and T...

CVP-AR5.56-003
$555.00
(MGI-CVP-AR5.56-003)

This Conversion Kit for 5.56 includes 16-inch 5.56 Barrel with a Low Profile Gas Block,  5.56 Bolt with Firing Pin, the MGI® D-Fender D-Ring for increased reliability, and AR Mag Well.

BBL-5.56-20SS-003
$295.00
(MGI-BBL-5.56-20SS-003)

This Heavy Stainless Steel 20-inch Rifle Length 5.56 Nato Barrel Assembly has a 1:9 twist and a 1/2 x 28 threaded muzzle and comes complete with Low Profile Gas Block, Gas Tube and Flash Hider.

BBL-5.56-20SS
$245.00
(MGI-BBL-5.56-20SS)

This Heavy Stainless Steel 20-inch Rifle Length 5.56 Nato Stripped Barrel has a 1:9 twist and 1/2 x 28 threaded muzzle and includes gas port and barrel index pin.

BBL-2545-003
$460.00
(MGI-BBL-2545-003)

This Sharps 16-inch carbine .25-45 Barrel Assembly has a 1:10 twist and a 5/8 x 24 threaded muzzle and comes complete with Low Profile Gas Block, Gas Tube and Flash Hider.

MARCK15-2245-003
$1399.00
(MARCK15-2545-003)

The MARCK-15, also known as the "Hydra", is the base system for everything associated with the MGI® Modular Weapon System.  This configuration of the Hydra is setup as a .25-45.  It includes the MGI® Modular Lower Receiver with an AR Magazine Well, an AR Magazine, the MGI® Quick Change Barrel Upper Receive...

$799.00
(MGI-UR-AK47)

The Complete MGI® Upper Receiver Assembly chambered in 7.62x39!  We started from the MGI® Quick Change Barrel Upper Receiver (QCB-D) and added a whole lot more.  This Complete Upper Receiver includes a 16-inch 7.62x39 Barrel w/ A2 Front Sight Base in carbine length with Flash Hider, the MGI® Modified Bolt Carrier with ...

$1704.00
(MGI-MARCK15-PROMO-2CAL) 

The MGI® 2-Caliber Package offers a 5.56 x 45 with a .300 Blackout Barrel Assembly installed in a 36" Lockable Tactical Case!  With the MGI® Quick Change Barrel Upper Receiver (QCB-D) on the HYDRA Weapon System, you can easily change your 5.56 over to a .300 Blackout.  A...