The Mossberg 990 Aftershock 12-gauge shotgun with an 18.5-inch barrel offers enhanced control and tactical performance in a semi-auto platform. Featuring a 5+1 capacity, it uses a gas system with corrosion-resistant components including a nickel boron-coated piston, magazine tube, and internal parts. The shotgun is equipped with an oversized safety, anodized follower, and an enlarged beveled loading port for smoother operation. Its synthetic strapped forend and AfterShock grip provide excellent handling, while integrated M-LOK slots allow for versatile accessory mounting. Durable and maneuverable, this shotgun is built for serious defense or tactical use.