Cobra's Long Bores derringers come with a longer barrel than the Big Bore Series. All bearman Derringer Series come with the Guardian package that includes a Hammer assembly, main springs, trigger design, and trigger guard. It also includes a steel barrel, steel breech block insert, steel striker type firing mechanisms, positive plunger safety with internal hammer block to help prevent unintended discharge. Barrel length is 3.5", Overall length is 5.4" with an empty weight of 16oz. 100% American Made, Cable gun lock included.