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Ships within 48 hours · Estimated delivery Aug 26 - Aug 31
Compatible Models: 64
The hammer block rises into position to block the hammer's forward travel when the trigger is not pulled
Part Number: MBU42
Each assembly is inspected and confirmed functional prior to sale
wiggle-free fit
66185CC Smith & Wesson K Frame Model 66 .357 Magnum Trigger .310" Used Part .45 Colt ctg Compatible Models: 6466185CC Smith & Wesson K Frame Model 66 . 357 Magnum Trigger . 310" Wide Spur MIM Used Part New Style How to determine the model number of your Smith & Wesson Revolver. Swing out the cylinder , check behind the yoke on the frame for a MODEL NUMBER. Model numbers began in 1957 58. So if there is no model number then your revolver may be older than 1957 58. In this case we can possibly still find the part you need with the serial # . If this is the case
