Quote Originally Posted by smith357 View Post
I could not tell you which exact model it was, just the full sized .45acp. Actually I picked up a couple of them and the were way too big for may hand. Even with the small grip insert the M&P is big, but round shape of the grip fits me better the the square grip of the Glock.
The G21 and G21SF are bot the full size ones. But SF stands for slim frame or something along those lines. A regular G21 is too big for my liking, but the SF fits great.

I also used to have an XD45 and it was a nice gun. Much smaller than a regular G21 too.