What's in the Box Impala Plus 12-Gauge Semi-Auto Shotgun Cable Lock Owner's Manual The new shotgun Impala Plus, which operates with a semi-automatic, kinetic reaction system, has gained great appreciation and reached an important market share with its technical features, flawless operation and wide design range. Impala Plus, which has registered patents, was produced with its unique design and technological engineering studies. Firearm Specifications Manufacturer: Impala Model: Plus Gauge: 12-Gauge Barrel Length: 28" Chamber: 3" Finish: Magmatic Orange Capacity: 4 Shots