ejection

I have a feeling that my gas port setting is closed too much but need to confirm. All of my spent brass is both dinged/dented and nicked. The top of the ejection port on my DSA SA58 looks to chipping away too from where the brass seems to be hitting it. I'm pretty new to FAL's and I absolutely...

I am new to FN and really wanting to get my SCAR 17s to work. I shot it for the first time this weekend and everytime I put a round through it the casing is not ejected from the gun and it smashes it into the side of the ejection port. I've tried to manually put a round in it and ejected it but...