If your guns are stainless or have a plated finish (EN, hard-chrome, nickel, etc.), these products remove lead and carbon deposits quickly and easily.

Don't use it on blued guns, however.

[Linked Image from imagizer.imageshack.com]

https://www.amazon.com/Kleenbore-Gu...ative=165953&creativeASIN=B002IEIDG4

The uninitiated are always easily impressed.
NRA Endowment Member