Brother Rojodiablo,had my Rock River Standard Operator since Nov. put only 400 rds. thru factory and mil surplus 0 FTF 0 FTE.Base of case had a small scuff you could barely feel,depending on manufacturer and not every case.It came with 1 new mag and picked up 5 used FN FAL mags.Freshen up mags with springs from Falcon but had to shape them to originals [left my hands sore] and 1 used mag had a broken follower and replaced from DS.Followed threads of others having issues,but I have had none.I love my RRA recently got a Palmetto upper 14.7 to put on RRA lower.5.56 has 3k rds.thru it 0 problems.Hope it helps.Good luck brother.