Hey all, I have a Beta C-Mag for an Ar-15 I've shot it once. It has the speed loader, the manuals, the tubes of graphite and the magazine it self. I'm looking for an AR upper in 5.556/.223 (I know, not a chance) a Remington 700 SPS or a Remington 700 in .300 Win Mag. I'm open to offers for other...