carbon and copper remover..

[Onyx_Z]

@Molon

Even a single-point cut-rifling Krieger barrel that has been hand-lapped from Krieger can benefit from some judicious fire-lapping. The first bore-scope pic below is from the leade of one of my brand-new Krieger barrels prior to firing. As you can see in the pic, there are tooling marks on the lands in the leade running perpendicular to the bore direction. The barrel won’t shoot to its potential until those tool marks have been removed.

https://app.box.com/shared/static/xw1pctrgrx0vha0gdsj8j7dkdtijqhyp.jpg

The next bore-scope pic shows the same barrel after I conducted a short break-in procedure. The tooling marks on the lands in the leade are completely gone.

https://app.box.com/shared/static/2koe5zz4o1js1g3t0a3l28z8q75s7zld.jpg

…

I’ve always thought a break-in was kind of a moot point. This clearly shows otherwise.

What procedure do you use?