On Fri, 17 Mar 2017 17:51:20 -0700, T wrote:

On 03/17/2017 05:48 PM, T wrote:
Hi Oren,

A customer told me yesterday that he uses a bullet in his 45
ACP that won't penetrate sheetrock. He could not remember
what they were called. You know what they are called?

-T

He said they looked like a large opening hollow point
covered with an aluminum jacket

Maybe something like what Air Marshals use on planes. They won't go
through the skin on the plane. Not sure.