The SR-22, basically a 10/22 with an AR-15 dress kit....from Ruger. Nothing really AR-15 about it. 10 round mags, 10/22 functionality, only a collapsible stock and tube forearm for about $500ish in stores....don't remember when it's coming out, but for those who REALLY REALLY want a dressed up 10/22 then this is for you....if your looking for a .22LR AR option then check out the S&W M&P15-22, full AR controls, sights, rails, 25 capacity mag(s). For about the same price. Colt makes one too for about $100 more than the S&W option.
Link to the Ruger SR-22
Link to the S&W M&P15-22
I personally like the S&W option better, have fondled it, I liked it more than the Colt option. Both had plastic bits on the receivers, but honestly for a .22, an all metal design isn't needed, it does have steel inside the plastic for support/frame work but not the shell. A coworker has the S&W on layaway at the LGS, will know how it shoots after I recover first hand
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And I don't know a darn thing about a potential SR9-22 PISTOL, only the SR-22 RIFLE. AFAIK, nothing to support this first rumor.
Josh