I don't know if it will shake up the market. The G26/G27 are about the same size only wider. They also hold more rounds 10+1/9+1 respectively instead of 6+1. I carry mine concealed in a pocket holster sometimes OWB without any printing. I know that a lot of people have been clamoring for a single stack "nine" from Glock especially with the advent of the G42 .380. I can't see myself rushing out to buy one. I'll keep my G26, no question about it. It might be good for those who choose to carry inside the waistband, which I would never do with a Glock, unless I want to speak in a high pitched voice.