Black Powder Grades, Sizes and Mesh
Retrieved: 01/17/2015
This chart contains black powder grain sizes of commonly used black powders as well as a comparison of Blasting and Sporting grades.
Black Powder Grades & Equivalent Sizes (in mm)
Sporting Grain Size Blasting Grain
Grades (G) (in mm) Grades (A) Size (in mm)
1FA 8.0-4.0
Cannon Grade 4.76-1.68 2FA 4.76-1.68
1FG 1.68-1.19 4FA 1.68-.84
2FG 1.19-.59
3FG .84-.29 5FA .84-.297
4FG .42-.15 7FA .42-.149
Meal D .42
5FG .149 Fine .149
Commonly used Black Powder Grain Mesh Sizes
GRADE MESH RANGE FA 3 - 5 2FA 4 - 12 3FA 10 - 16 4FA 12 - 20 5FA 20 - 50 6FA 30 - 50 7FA 40 - 100 Meal D +50 Fine Meal +100 X-Fine Meal +140 Cannon Grade 4-12 1FG 12-20 2FG 16-30 3FG 20-50 4FG 40-100 5FG +100