Originally Posted by
cayugad
There are scrappers you can buy. What your looking at is the cone of the breech plug. I clean them with a wire brush for a 30 caliber. Dump some solvent down there then push that 30 caliber brush down there, twist it clockwise but be careful not to turn it off. Then after your done, use a water bath and flush that cone out.
I do the exact same thing. And I use a T/C firing channel brush and some pipe cleaners to clean the firing channel.