I buddy of mine has a clone g3 that he wants to get rid of,when he got it he had a buddy of his who worked in the armory for the aarmy look it over and fix any problems he seen in it, now I have shot this gun and it worked flawless,he wants to trade me even up for my stag model 3,my question to u guys is this a good deal I have no exp with the g3 so any info would be great