Penetration is a critical aspect of terminal performance. As the great African professional hunter and gunwriter Finn Aagaard once wrote, “Killing power is a matter of biology, not math and physics, and is influenced almost totally by shot placement, accompanied by sufficient penetration.”
Though it has become an industry standard for testing terminal performance of ammunition, ballistic gelatin doesn’t tell you all you need to know.
Do barrel twist rates do more than just make a bullet accurate? The experience of two Remington engineers shows that they can do much more than that.