Caliber: .357. Overall length: 6.29". Height: 4.17". Width: 1.18". Length between sights: 5.43". Barrel length: 3.46". Barrel rifling: Hexagonal profile with right hand twist. Length of twist: 15.98". Magazine capacity: 9. Weight: with full magazine: 6.88 oz. Trigger pull: 5.5 lbs. Safeties: 3.