Bismuth shot for reloading shotgun shells. Our bismuth shot is alloyed with 6% tin to increase pellet integrity. Bismuth is one of the softest of all the non-toxic alternative shot types and that makes it very suitable for old double guns and other shotguns with fixed chokes. #B (.17", 4.5 mm) #0 ( .167" , 4.25 mm) 68 Pellets per OZ#1 ( .16" , 4.0 mm) 81 Pellets per OZ #2 (.15", 3.75 mm)#4 ( .13" , 3.3 mm) 161 Pellets per OZ#5 ( .12" , 3.0 mm) 206 Pellets per OZ#6 ( .11" , 2.8 mm) 236 Pellets per OZ#7 ( .10" , 2.5 mm) 353 Pellets per OZ#9 ( .08" , 2.0 mm) 615 Pellets per OZ Bismuth's density is 9.6 gramscubic centimeter, All sizes have a +- .005" tolerance average,