The IM Model 3 is a combined battle rifle and submachine gun developed by IM Arms of Ohio for urban warfare. The top section is an AK derivative rifle with the lower section a submachine gun. the lower barrel was in 9x19mm fed from UZI mags, the upper one was in 7.62x51mm fed from AK mags.
The Model-3 chambers 7.62x51mm in the 16" top barrel and 9x19mm Parabellum in the 7.8" lower barrel. This too has a single trigger with a selector switch. Like the Model-4 also cycles at 800 rounds/minute. The Model-3 unloaded weighs 4.4kg.