Plastic grip panels. And it holds 5 with one in the pipe and the .25 is a shitty round. That gun would do better if you put it in a sock with a bunch of rocks and beat the guy to death.
I remember about 30 years ago a small arms expert was giving us a class. He was showing the class various hand gun rounds. When he took out the .25 ACP one guy laughed. He took the round and threw it at his head. He had a bloody mark on his forehead. The instructor said imagine if I shot you with that?
Hornady makes a fantastic .25ACP round. Every ballistic gel test even with denim shows about 11 inches of penetration and good expansion. Of course I'm not saying this is a superior round. What I am saying is so many handguns are not carried because of the size. They are hard to conceal or if you have them concealed they are pain after a couple of hours. Something like a Browning can be carried in a pocket with a pocket holster to stop the printing of the outline. Making an all day tee shirt and jeans carry an all day possibility.
I have carried for 31 years. The Glock is a great tool. Never jams and has big combat sights that are quick to find. The trigger is decent too.
I carry a winter gun and a summer gun. If anyone is interested I will tell why I made those choices for myself. Winter is a Sig 9MM and Summer is Smith & Wesson .38 special.