What's in the Box Backup .45 ACP Derringer Safety Lock Wrench Owner's Manual Designed for easy concealment when you need it, the Bond Arms .45 ACP Backup Derringer features a textured frame and bead-blasted anti-glare 2.5" barrel. Firearm Features Stainless steel double-barrel and frame Compatible with all Bond Arms barrels Automatic spent casing extractor Patented rebounding hammer Retracting ring pins Cross-bolt safety Spring-loaded, cammed locking lever Firearm Specifications Manufacturer: Bond Arms Model: Backup Caliber: .45 ACP Barrel Length: 2.5" Grips: Rubber Front Sight: Blade Rear Sight: Fixed Overall Length: 4.5" Weight: 18.5 oz. Barrel Material: Stainless Steel Frame Material: Stainless Steel