Shotgun shells come in a variety of shot sizes.
This chart gives the numbered size, the diameter, and the normal target used upon.
Lead Shot Size Diameter Pellets in 1oz Target
12 0.05 2300 Clay Birds
9 0.079 585 Dove, Quail, Clay Birds
8 0.089 410 Dove, Quail, Clay Birds
7.5 0.094 350 Dove, Quail, Clay Birds
6 0.109 225 Rabbit, Squirrel, Turkey, Pheasant
5 0.120 170 Turkey, Pheasant
4 0.129 135 Turkey, Pheasant
2 0.148 90 Old Duck Loads no longer legal in lead
BB 0.18 50 Old Goose Loads no longer legal in lead
4 Buck 0.24 21 Self Defense
3 Buck 0.25 19 Self Defense
2 Buck 0.27 15 Self Defense
1 Buck 0.30 11 Self Defense
0 Buck 0.32 9 Self Defense
00 Buck 0.33 8 Self Defense
000 Buck 0.36 6 Self Defense
Steel Shot Size
7 0.10 422 Dove, Quail, Clay Birds
6 0.11 317 Dove, Quail, Clay Birds
5 0.12 244 Rabbit, Squirrel
4 0.13 191 Teal
3 0.14 154 Teal, Duck
2 0.15 125 Duck
1 0.16 103 Duck
BB 0.18 72 Goose
BBB 0.19 61 Goose
T 0.20 53 Goose
F 0.22 40 Goose
This is for information only. No warranty is expressed or implied on its accuracy.