The Mossberg(R)990 AfterShock is a semi auto firearm chambered in 12 Gauge featuring an 18.5-inch barrel and a 5-round magazine. This configuration features a Black finish.This configuration uses a bird's-head grip rather than a shoulder stock.Key Features:Caliber: 12 Gauge.Action: Semi Auto.Barrel Length: 18.5 inches.Capacity: 5+1.Barrel: Steel; 3-inch Chamber.Finish: Black.SIG SAUER(R) produces firearms with a strong emphasis on modern engineering modularity and duty grade performance across its catalog. The brand is widely known for handguns rifles optics and related products developed for military law enforcement defensive and sporting applications. SIG Sauer(R) products are recognized for durable construction practical innovation and broad platform support across a wide range of configurations.