Daniel Defense H9 Keyholing: What You Need to Know
Understanding the Problem: What is Keyholing? Imagine firing a bullet downrange, only to discover that the holes on your target aren’t perfectly round. Instead, they appear elongated, like keyholes. This is keyholing, a telltale sign of bullet instability. When a bullet leaves the muzzle, it’s designed to travel in a straight, stable path, spinning along … Read more
