Girsan MC312 HDT(Heavy Duty Tactical) 18.5″ INERTIA-X DRIVE


Girsan MC312 HDT(Heavy Duty Tactical) 18.5″ INERTIA-X DRIVE

$249.00 $174.30

You Save: $74.70 (30%)

At, we are proud to offer quality products to our customers. Very few products are as exciting as the Girsan MC312 line! 
The HDT (Heavy Duty Tactical) is designed with the Tactical Professional in mind. The pistol grip configuration allows the tactical operator to use heavy magnum tactical loads with less felt recoil, resulting in faster follow-up shots on target. Due to the operational design of Inertia shotguns, proper shouldering is required for problem-free cycling with any variant of shells – from light to heavy loads, 2 3/4″ to 3″ in any load configuration.
Featuring the Inertia-X Drive, these Girsan MC312 shotguns are fast becoming one of the most talked-about shotguns on the market. This action is reliable, requiring no adjusting – ever.  It remains cleaner than other gas operating systems, allowing the gas, smoke, and burnt powder to remain in the barrel, which means less maintenance required. With only three main parts, it’s one of the simplest, yet one of the strongest, lightest-weight, and most perfectly-balanced systems out there.Each of these shotguns undergoes individual quality control tests from Girsan before shipment to ensure proper functionality.

Rib: 8×10 Ventilated Rib
Rear Sight: Ghost Ring
Recoil Pad: Rounded Ergonomic Rubber
Receiver: Aluminum-Alloy Receiver
Barrel: Specially-coated Steel
Locking System: Rotating Bolt With Reinforced Lugs
Length of Pull: 13 1/2″
Trigger Weight: 7.5lbs
Chokes: Breacher Open Choke, Cylinder Bore
Additional Features: Oversized Bolt Release,  Oversized Charging Handle, Pistol Grip, Fixed Stock


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Metal Finish Black
Action Semi-Automatic
Gauge 12 Gauge
Barrel Length 18 1/2″
Overall Length 37″
Safety Two Position Crossbolt
Capacity 3 1
Stock Fixed
Chamber 3″

Metal Finish Titanium Gold
Action Semi-Automatic
Gauge 20 GA / 17 HMR
Barrel Length 10.3
Overall Length 29.29 “
Safety Lever
Capacity 34 1
Stock Realtree Xtra Camo
Chamber 3″


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