Quote:
Originally Posted by Wee Hooker
I remember reading a good piece in a gun rag some years back. They built Sheetrock covered 2x4 interior walls and fired on them with 12 ga rounds. All the buck (and slugs) over penetrated 2-3 in line wall sections. The #4 went through one wall and 1/2 the next. i.e You could still get lead to the badguy but not your neighbor. Much safer for home defense
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Not strictly for shotguns but along the same line.
Tulsa PD penetration test:
TPD (Tulsa Police) Ballistic Penetration Test