The brute xl is bigger than its predecessors.It has a 3" barrel, the same size barrel as vintage p.S.Olt cutdowns.It offers a bigger exhaust, a longer tone board, and contains a step-bore system: a first for us at rolling thunder.These features allow more precise control in both sound and tone for experienced callers who can properly introduce clean air into the call.Species: DucksMaterial: AcrylicColor: Blackout