Mossberg 990 Aftershock | 12 Gauge | 5+1 | Mfg# 83003

The Mossberg 990 Aftershock is an ultra-compact 12-gauge semi-automatic shotgun that pairs maneuverability with a suite of tactical features. It ships from the factory with a Crimson Trace LaserSaddle and an AfterShock pistol grip, and it uses a corrosion-resistant gas system and treated internal components for dependable function. The design emphasizes close-quarters handling and accessory flexibility without sacrificing straightforward operation.

Typical applications include tactical/departmental training and close-quarters target work where compact length and accessory options matter.

Product Specifications

• The manufacturer is Mossberg.
• The model is the 990 Aftershock.
• The manufacturer part number is 83003.
• The UPC is 015813830034.
• The gauge is 12 Gauge.
• The action is Semi-Auto.
• The chamber size accepts 3″ shells.
• The advertised capacity is 5+1 rounds.
• The stock is a black synthetic pistol-grip AfterShock.
• The forend includes M-LOK mounting slots on the sides and bottom for accessories.
• The shotgun ships with a factory-installed Crimson Trace LaserSaddle (green laser).
• The front sight is a fiber optic element.
• The choke is a cylinder bore, and the muzzle accepts choke tubes.
• The magazine type is a tubular magazine and it includes 1 x 5-round magazine tube.
• The safety is ambidextrous.

This compact 990 Aftershock delivers a focused set of features for shooters who need a short, easily maneuvered 12-gauge with built-in aiming support and accessory capability. Its corrosion-resistant internals and simple control layout make it suitable for duty-oriented training and close-quarters target work where reliability and handling are priorities.

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