skip to Main Content
5.7 Out Of 10

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.