Since every barrel is an entity unto itself, there is no way to prove that a barrel break-in procedure has any effect on resulting accuracy. Once you shoot it either way, there is no way to return it to brand new and try another way to see if there is a difference. So I. Reality, it?s all speculation. A feel good that manufactures give customers because they think they need one. A placebo.

Drink the Koolaid if you need/want.

😎