Cleaning AR barrel with stainless steel brush

[Will3212]

I have a question about cleaning the AR15 barrel.
I have this chamber brush
https://www.amazon.com/gp/aw/d/B000E59A8E#Ask

It has steel bristles at the end for the locking lugs and a bronze brush in front.
I had this on a bronze cleaning rod and accidently put it through the barrel chamber to muzzle once.
Now I'm worried if I damaged the barrel.
It's an FN CHF chrome lined barrel.
Will a stainless steel bristle brush meant for the locking lugs damage/scratch the inside of barrel if passed through once?

[Will3212]

Sorry for double post, internet is lagging.

[imashooter2]

Maybe. But it*s done, so go and sin no more.

[jthrelf]

You got that whole thing through the barrel?! I have the same one and hell even the chamber is super tight. I don't think it's possible to pull it through the whole barrel.

I guess even if you did it's still fine .. FN chrome lining should be harder than some chinesium steel bristles. Shoot a group and see.

[imashooter2]

Read the questions and answers from that Amazon link. Apparently there are a lot of people trying to shove the chamber brushes through their bore.

I would honestly be more concerned about side pressure from the rod bending under the force required to pass that thing through the bore than the bristles themselves.

[Bang]

I bought an endoscope. I watch the image on the PC monitor. It can also hook up to a phone. I made the mistake of running a steel brush through my Marlin 80-DL I've had since 1949. The scope confirmed serious damage :-(

https://teslong.com/products/36inch-...ifle-borescope

[imashooter2]

I bought an endoscope. I watch the image on the PC monitor. It can also hook up to a phone. I made the mistake of running a steel brush through my Marlin 80-DL I've had since 1949. The scope confirmed serious damage :-(

https://teslong.com/products/36inch-...ifle-borescope

Did you look at the barrel before you put the brush through it?
What was the effect? Groups opened? Barrel gets dirty faster?

[JoshIronshaft]

Chrome lined should be just fine.

[Will3212]

Read the questions and answers from that Amazon link. Apparently there are a lot of people trying to shove the chamber brushes through their bore.

I would honestly be more concerned about side pressure from the rod bending under the force required to pass that thing through the bore than the bristles themselves.

Side pressure shouldnt be higher compared to a copper bullet going through at 3000fps right.

[Bang]

Did you look at the barrel before you put the brush through it?
What was the effect? Groups opened? Barrel gets dirty faster?

Scratches, obviously with the brush-induced pattern. If one were considering buying it and saw that damage, I'm sure they would take a pass. Have not fired it since. Chrome in a bore is pretty hard. Possibly hard enough to limit or prevent serious change from a brush of mild steel.