Shoot them both and figure out how each shoots, recoils and feels in your hand.
The Glock 26 is strange for some people to fire, because of the two finger grip. The +2 magazine extender gives you 12 rounds in the magazine and a place to put your pinkie finger. But if you carry with the extended magazine, might as well go with the Glock 19 and get that extra barrel length as well (factor in how you're gonna carry and additional weight (longer barrel, longer slide, more ammo, etc).
The M&P has multiple backstrap options which can help you to get the right hand fit for you. M&P also has manual safety and magazine safety options; more complicated can be a good thing, as well as a bad thing.
Some people start carrying with a Glock 26, then transition to a smaller 9mm or .380. Sometimes the issue is the width the slide and incompatibility with their carry method and body shape. Figure out how you're going to carry it. Talk to folks who carry (or no longer carry) the Glock 26.
The Glock 26 is strange for some people to fire, because of the two finger grip. The +2 magazine extender gives you 12 rounds in the magazine and a place to put your pinkie finger. But if you carry with the extended magazine, might as well go with the Glock 19 and get that extra barrel length as well (factor in how you're gonna carry and additional weight (longer barrel, longer slide, more ammo, etc).
The M&P has multiple backstrap options which can help you to get the right hand fit for you. M&P also has manual safety and magazine safety options; more complicated can be a good thing, as well as a bad thing.
Some people start carrying with a Glock 26, then transition to a smaller 9mm or .380. Sometimes the issue is the width the slide and incompatibility with their carry method and body shape. Figure out how you're going to carry it. Talk to folks who carry (or no longer carry) the Glock 26.