shot

Also called birdshot. Sizes are the same for lead and steel shot. Tolerances vary between manufacturers; they are in thousandths of an inch.

Size Diameter
in inches
F 0.220
TT 0.210
T 0.200
BBB 0.190
BB 0.180
B 0.170
1 0.160
2 0.150
3 0.140
4 0.130
5 0.120
6 0.110
7 0.100
7½ 0.095
8 0.090
8½ 0.085
9 0.080

Buckshot

Size Diameter
in inches
0000 0.380
000 0.360
00 0.330
0 0.320
1 0.300
2 0.270
3 0.250
4 0.240
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Last revised: 7 May 2009.