21
If Bullet Drop is: @300 yds @300 m @500 yds @500 m
Use:
A 25-31 inches 63-79 cm 114-146 inches 291-370 cm
B 20-25 inches 50-63 cm 88-114 inches 225-291 cm
C 16-20 inches 40-50 cm 72-88 inches 182-225 cm
D 13-16 inches 34-40 cm 61-72 inches 155-182 cm
E 12-13 inches 30-34 cm 55-61 inches 139-155 cm
F 10-12 inches 25-30 cm 47-55 inches 119-139 cm
G 8-10 inches 20-25 cm 39-47 inches 99-119 cm
H Less than 8 inches Less than 20 cm
Less than 39 inches
Less than 99 cm