I have been shooting 148 grain hornady hollowbase wadcutters in my model 10-6 {4 inch heavy barrel) and a 38 masterpiece and they are very accurate, 3.2 grains of ww 231, pretty much no recoil. I usually shoot these at paper but when I shoot them at steel with the 9mm guy's they seem to hit pretty hard. Granted they are usually shooting 115 grain blasting ammo.