Hi, I'm new to this forum (it's actually the first one I've ever signed up on) and I was really hoping I could get some good advice, as I've been looking for a similar issue to mine for the past day and have been unable to find any. Basically I've had my beretta 92fs (purchased new in 2015) and it has been my first and only handgun. I've never had any issue with it whatsoever and I've only fired it 300-400 times since it was purchased. I took it out yesterday for the first time in about 4 months and almost immediately began getting failure to feed malfunctions a few times per magazine. After some research I figured out these were most likely symptons of an unoiled gun, as I haven't cleaned or oiled it in the time I've owned it. This prompted me to take it apart and I've noticed that the frame of the gun on the right side seems to have been cut into and I'm wondering if it's from the factory and they never did refinish it, if so it's no big deal as I only ask for the pistol to function at 100%, but I'm wondering if anyone here has seen damage to the frame like this on a 92fs and can tell me what's causing it? Thanks in advance and I apologize if this is in the wrong section.