The 2-inch heavy barrel Model 10 was the standard plainclothes and detective configuration. The heavy barrel designation (HB) indicates a bull barrel profile without a full underlug, offering better balance than a skinny barrel while keeping the snub profile suitable for concealed carry. Type: Revolver Action: Double-Action Caliber: .38 Special Capacity: 6 Year introduced: 1899, USA Weight: 30.5 oz Overall length: 7" Status: Active Intended use: concealed_carry, backup, law_enforcement, collector