J frame round butt
For Model: 242, 296, 30, 31, 32, 33, 34*, 35*, 36*, 37*, 38*, 39, 317, 331, 332, 337, 340, 340 PD, 342, 350 PD, 351 C, 351 PD, 360, 360 PD, 386 (Night Guard), 40, 42, 43, 43 C, 49*, 442, 51*, 60, 60 LS, 63, 637, 638, 640*, 649*, 650*, 651* *= There is both a round butt and square butt version for this model. So please determine whether your pistol is round or square butt.