![5.7 Out Of 10](https://i0.wp.com/www.quietlyarmed.com/wp-content/uploads/2020/04/57_vs_9mm_cover-1280x640-1.jpg?fit=1280%2C640&ssl=1)
5.7 out of 10
Ruger’s new 57 pistol has created more interest in the 5.7x28mm cartridge. But how does 5.7x28mm stack up against the far more common 9mm round? I take a look at both rounds, including armor penetration tests and jell-o shots, over at the Ammoman blog.