This is a Crosman CO2 Pistol known as the Revolver chambered in 177BB, model SNR357.
The new Crosman SNR357 ("SNR" = Snub Nose Revolver) has the heft and feel of a Saturday Night Special with none of the powder. Add dual ammo capabilities and realistic loading with the included reusable cartridges and the backyard becomes the ideal practice range.
Features:
Heavy weight, full metal body
CO2 Powered
Double or single action