I used to have a Norinco Goverment Model and I beveled the mag well on it. When I started grinding I noticed a lot of metal was flying off. Then I realized it wasn't metal it was my bit flying apart. I've used the same bits on several pistols but that Norinco ate 4 bits beveling that mag well. The steel on that frame was HARD. I also did some searching online and the only breakages I could find of the Norincos was another guy with a broken barrel bushing (so OF COURSE mine would break too) and a guy with a cracked frame. The cracked frame Norc had over 45,000 rounds through it and it was still going strong. I'm pretty confident my Norc will do just fine. I just need to do something about that trigger pull.