Frame comparison: a quick overview of all available frame sizes for Smith & Wesson revolvers Frame Size: J K L N X Z Grip Frame Shape: RB, SB RB, SB RB, SB RB, SB RB RB Cylinder ∅ (mm): 33.1 36.8 39.5 43.5 48.7 43.5 Cylinder Length (mm): 40.5 42.4 41.3 43.2 58.4 64.8 Frame Top Strap Width (mm): 13.6 16.6 16.6 16.6 16.6 17 Frame, Window Height (mm): 34 37.4 40.6 44.0 49.4 44.0 Cone Length (mm): 13.7 15.6 15.5 19 21.5 19 Cone Width (mm): 17.7 20.8 21.3 23.1 24.4 22.8 Model Numbers: 36, 37, 60, 340, 940 12,13, 14, 15, 17, 18, 19, 53, 64, 65, 66, 67, 68, 617 581, 586, 619, 620, 646, 681, 686 25, 27, 28, 29, 58, 624, 625, 627, 629 460, 500 Governor Hay! That is very useful. Thanks for posting.
