bronko22000

I never would have believed this if I didn't watch it. Drywall penetration with 357 and 44 mags.

Oldtimr

I saw a demonstration of this when I was in the field. The plaster in the drywall prevents the hollow points from expanding essentially making the bullets solids, thus allowing a lot more penetration . The demonstration was to show that those who thought hollow points would be stopped that shooting hollow point ammo inside a home will allow the bullet to penetrate several walls including the outside wall endangering people in the street.