Steel jacket or bi-metal jacket bullets damage a barrel?

[RidgeRebel]

Does shooting the M80 mil spec FMJ bullets with steel or bi-metal jackets damage your barrel?
Thanks
Bob

 

[tomme boy]

Yes

 

[Cegorach]

Here is a good rundown on the subject.

http://www.luckygunner.com/labs/brass-vs-steel-cased-ammo/