Originally Posted by WiskyT
Take a loaded round that hasn't been crimped at all yet and see if it will easily fit into your guns chamber. Field strip the gun and remove the barrel to check this. It won't fit. It will go in about 3/4 of the way and stop. You can push it in further with your thumb, but then it will be hard to get back out.
Well, it's a G27 (loose chamber); the uncrimped round fits in the chamber with no problem.