Thank you all for your advice. I will soon take it out for another shooting and inspect it closely. It could have had a worse defect, I assume this is just a minor thing. I am going to bring a hammer with me :-)
Hello,
I have purchased a 1937 all matching k98 in decent condition. I was trying it out today and after maybe 30 rounds in a 15 minute span, I noticed the front barrel band was coming off (see the picture). Also, as the barrel got really hot, there was thick oil coming from under the barell...