FBI Penetration Numbers on 9mm and .40 HST ammunition.
Penetration chart from FBI tests. First number in inches is 124+P, second number is 165.
Gel. 10 12
Cloth 13 12.5
Steel 21 17
Wallboard 12.25 10.5
Plywood 14.5 13.5
Safety Glass 11 10.5
Penetration chart from FBI tests. First number in inches is 124+P, second number is 165.
Gel. 10 12
Cloth 13 12.5
Steel 21 17
Wallboard 12.25 10.5
Plywood 14.5 13.5
Safety Glass 11 10.5