The Firing Line Forums - View Single Post - 10mm load using spent 9mm cases as projectile.

Dave R · March 5, 2007, 11:09 PM

Not what I thought at all. Interesting idea. High velocity/low mass should result in fast energy dump and little penetration.

They penetrated one phone book pretty easy. Wonder how they'd do with multiple books. Even 9mm 115gr. will penetrate 3-4 phone books.

March 5, 2007, 11:09 PM	#6
Dave R Senior Member Join Date: January 7, 2000 Location: Idaho Posts: 6,073	Not what I thought at all. Interesting idea. High velocity/low mass should result in fast energy dump and little penetration. They penetrated one phone book pretty easy. Wonder how they'd do with multiple books. Even 9mm 115gr. will penetrate 3-4 phone books. __________________ I am Pro-Rights (on gun issues).