21586U Smith & Wesson J Frame Multiple Model Hammer Block New Style Used Part
Fits Model #'s 38-3, 39-9, 49-3, 60-9, 317, 331TI, 337TI, 637-1, 638-2, 649-3.
Email at sales@usagunsandgear.com or call us at 770-544-8075 for your Smith and Wesson gun part needs!