I bought a Glock 21. I wanted it because I love .45's and thought this would be a great range and bed stand gun. I got a cheap glock "combat holster" to wear to the range. Put it on yesterday and found the 21 VERY comfortable to carry! The large grip fits perfectly in the small of my back ( I wear at 4:00)and spreads the pressure more than the 30S or 19 I have. I have to drive about 40 min to the range and it felt great while in my truck seat. It also feels better than the Shield and XDS I had. Their grip dug into my back. I never dreamed a full size Glock would be my most comfortable carry gun. Thinking about an IWB holster for it now. I am a big guy ( 6'4" and 270) so I hide it well and the weight is not noticeable to me. What a surprise! Guess I'm a weirdo.