Quote Originally Posted by crunker View Post
I'm pretty sure that the short barrel of the GLOCK 29 reduces the velocity of the 10mm bullet to .40S&W levels. I could be wrong, though.
Not quite, though the shorter barrel does affect velocity some. Here are a couple of charts I pulled up just now; scroll down on the first to find G26 data.

http://www.greent.com/40Page/ammo/10/10mm-advoc.htm

http://www.firearmstactical.com/test...55sthp-g27.htm