Mossberg 990 Aftershock SPX 12 Gauge Shotgun 18.5 Inch

Description

For shoppers looking at a compact semi-automatic shotgun for home-defense applications, the Mossberg 990 Aftershock SPX combines a 12 gauge chamber with an 18.5 inch barrel and a 3 inch chamber. The receiver is optic-ready for the Shield RMSc footprint, and the forend includes an integrated heat shield, M-LOK (Modular Lock accessory mounting) slots, and QD ports.

Key Specifications

• The shotgun is chambered in 12 gauge, a standard shotgun gauge for sporting and training use.
• The semi-automatic action provides the operating format specified for this model.
• The barrel measures 18.5 inches and incorporates an integrated heat shield.
• The chamber accepts shells up to 3 inches in length.
• The receiver is drilled and tapped, with an optic mount using the Shield RMSc footprint.
• A fiber optic front sight provides the listed front-sight configuration.
• The forend includes M-LOK slots and QD ports for compatible accessory mounting and attachment points.
• The barrel uses an Accu-Choke system with a cylinder bore choke included.
• The shotgun weighs 6.29 pounds as listed for the product.
• The grip is made from black polymer, matching the listed grip material.

We like this configuration for shooters who want a semi-automatic shotgun with an optic-ready receiver and a front sight already specified. The integrated heat shield and accessory slots give the forend a clearly defined layout, while the drilled-and-tapped receiver leaves room for an optic using the stated footprint. The 3 inch chamber and cylinder bore choke keep the setup straightforward for its intended shotgun applications. The Mossberg 990 Aftershock SPX is a compact semi-automatic 12 gauge platform with a practical feature set.