Hi, I got my PS90 today. I walked around for long but can't pass it Great tactical design, exactly what I am collecting. Anyway questions sorry I am in draconian NJ and one 10 rd mag with this rifle is a joke I can't find FN made 10 rds any place I am looking besides some ebay sale required my kidney to be amputated Any place you know selling original FN 10 rds mags and in stock? Question #2 ammo, why are nobody is using federal? I know it is expensive gun but just need to know what is behind? Any other ammo brands are OK? Last question ... what would be best tactical sling and case should I to get for PS90?