SKU: 174408
UPC: 015813851787
MPN: 85178
The Mossberg 85178 940 12 gauge shotgun is a semi-automatic tactical platform engineered for home defense, law enforcement training, and dynamic shooting scenarios where reliability and speed matter. Built on the proven inertia-driven operating system, this 12-gauge delivers consistent performance across a broad spectrum of ammunition loads without the complexity of gas-operated systems.
The 18.5-inch barrel strikes a balance between mobility and sight radius, critical in CQB and indoor environments where longer barrels become a liability. At 10.5 pounds, the shotgun's weight distribution supports controlled rapid-fire sequencing and reduces fatigue during extended training or duty cycles. The 7-round magazine capacity provides adequate firepower for engagement scenarios while keeping the platform maneuverable, and the semi-automatic action enables faster follow-up shots compared to pump-action alternatives.
This shotgun serves law enforcement trainers, civilian home-defense operators, and competitive shooters who prioritize dependability over exotic features. The inertia-driven system operates cleanly without extensive cleaning intervals, a practical advantage in field conditions or when ammunition variance is inevitable. The compact footprint makes it ideal for vehicle storage and quick deployment in critical situations.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.