I can’t take credit for these sadly, I’m not Mr. Exclusive. But MrVvrroomm over on the MNGunTalk forums posted some pictures of what appear to be an actual Glock 22 Generation Four pistol. Here are the pictures:
If this is some Photoshop trickery it’s bloody good. Anyways we can see the removable back strap, new grip texture, new magazine release, and new recoil spring.