Features double-action-only trigger system and offered in both stainless steel and matte black finish. Small frame .380 Backup weighs 18 oz. with its 2.5" barrel. Large frame Backups are fitted with 3" barrel and offered in 9mm, .38 Super, .357 Sig., .40 S&W, .400 CorBon and .45 ACP. Weight about 23 oz.; magazine capacity 5 to 6 rounds, depending on caliber. NOTE: Add $50 for .38 Super, .357 Sig, and .400 CorBon.