Mossberg 990 Aftershock 12ga Tactical Shotgun

Mossberg 990 Aftershock: Compact Tactical Performance

The 990 Aftershock represents a thoughtful approach to modern shotgun design—small in footprint, substantial in capability. This semi-automatic 12-gauge delivers the firepower you need in a platform that's genuinely maneuverable in tight spaces.

Core Features

Action & Reliability

• Semi-automatic gas-operated system
• 3" chamber accommodates both 2.75" and 3" shells
• Durable, corrosion-resistant internals with nickel boron-coated gas piston, hammer, and sear
• Enlarged and beveled loading port for swift reloading
• Smooth operation through elongated elevator and anodized follower

Capacity & Handling

• 5+1 round capacity (5 in magazine, 1 in chamber)
• 14.75" barrel for quick target acquisition and control
• Overall length: 27.125"
• Weight: 6.04 lbs—light enough for extended handling
• Cylinder bore choke for versatile shot patterns

Ergonomics & Control

• Aftershock grip with rubberized palm pad for secure purchase
• Streamlined forend with signature texturing and embossed strap
• Magazine tube extension with M-LOK mounting slots (sides and bottom) for modern accessories
• Oversized safety for positive manipulation
• Front fiber optic sight paired with factory-installed Crimson Trace laser saddle for low-light aiming

Why This Shotgun Matters

The 990 Aftershock bridges the gap between home defense and tactical use. Its compact dimensions don't compromise on capacity or reliability. The integrated laser sight system gives you intuitive aiming when traditional sights fail—in darkness, through barriers, or under stress. The M-LOK compatibility means you can configure this shotgun to your specific needs without gunsmithing.

This is a working shotgun for serious purposes, built with the attention to detail that defines modern Mossberg engineering.