TriStar Matrix Inertia 12 Gauge 3" 5+1 28", Blued Barrel/Rec, Black Synthetic Stock, 3 Chokes Included. With its 12 Gauge chambering, a 28" barrel, and a 3" chamber, this shotgun is ready for a wide array of shooting scenarios. Designed with a capacity of 5+1 rounds, it ensures you have the firepower you need when it matters most. Its sleek black synthetic stock complements the blued finish on the barrel and receiver, offering both aesthetic appeal and functional utility.