I love how they "released" this at SHOT when it's been available in the open market for months, but anyway, I digress..
Good article on the GLOCK 21 Gen 4.
The GLOCK Gen4 G21 .45 ACP Pistol
Click the link to continue reading the article
When you carry, do you keep it chambered or do you keep it unchambered so you'd have to actually chamber your gun when you need to use it? This debate has been going on for years.. which side are you on?