The naa companion cap & ball is a #11 percussion.22 caliber five-shot revolver, engineered by the legendary gun designer, dick casull.It is compatible with ffffh or pyrodex powder and this package comes complete with (50) 30 gr lead bullets, powder charge measure (yellow scoop), bullet seater, (5) bullet nipples (installed in cylinder), allen wrench for bullet nipples, and a small padlock with naa's logo.Action: RevolverCaliber: .22 CalBarrel Length: 1.13"Sights: Half MoonIgnition: #11 PercussionOal: 4"Stock Description: WoodWeight: 5 ozFinish: Stainless SteelBarrel Description: Stainless SteelBarrel Length Range: 1" to 1.99"Weight Range: 3 oz to 8.99 oz