I have both a Ciener and an AA. They're both picky about ammo, but anything that goes faster than 1200 FPS will make them work well. A word about Ciener? Before you buy one, call their direct line number and listen to the recording. Unless they've changed it, you won't send a red cent their way.
I called to check on the availability of a G17 conversion to compliment my G19/G23 unit of theirs. The recorded message said--"If you have questions, check our FAQ page on the website. If it's not answered there, send a check or money order for $5 to ______ and we wills schedule a time to answer your question..." No kidding.
It became my mission in life not only to steer people to AA, but to tell that story every time the name came up. It was the best sales tool AA has ever had. And to Mr. Ciener--If you'd like me to look at your products again, send a check or money order for $10 to.....<g>