I recently got an FEG PJK-9HP that has 2 problems. One, it desperately needs a decent set of sights and two, The extractor needs tuning. The problem with the extractor is that the first hand chambered round will not - it gets stuck half way because the rim won't slide up properly until I give it a push. After the first round, it chambers the subsequent rounds fine although I did have one smokestack out of about 70 rounds fired. I figure that was also related to the extractor. What I need is info on detail stripping and tuning for the HP as this is the first one I've ever had. Can anyone point me in the right direction? I really want to cure this extractor problem myself if at all possible. Thanks.