The Weatherby SA-08 Entre Rios is a 28 gauge version of the SA-08 autoloader shotgun. The 28 gauge cartridge is popular in part because it allows the action to be scaled down, resulting in a lighter gun. Weatherby has scaled the SA-08 down to a weight of 5.25 lbs.
The gun comes with either a 26″ or 28″ barrel. The MSRP is $749.