The century 2000 by bond arms is a derringer that's compatible with 3" or 2.5" 410 shotshells or 45 colt ammunition.The century 2000 accepts all bond arms interchangeable barrels and features a cross-bolt safety, a trigger guard, and rosewood stocks.The spring-loaded cammed locking lever allows for a tighter barrel/frame fit and rapid loading and unloading.Metal Finish: StainlessType: DerringerAction: SAOCaliber: 45 Colt (LC)Barrel Length: 3.50"Capacity: 2rdSafety: CrossboltGrips: RosewoodSights: Blade Front/Fixed RearWeight: 21 ozOal: 5.50"Barrel Length Range: 3" to 3.99"Weight Range: 16 oz to 31.99 oz