Yes, a Glock 19 9mm magazine can be used on a Glock 23 since both firearms are chambered in 9mm.
no
The Glock 17 (full-size 9mm) holds 17 rounds in a factory magazine. The Glock 19 (compact 9mm) holds 15 rounds in a factory magazine. The Glock 26 (teeny-tiny 9mm) holds 10 rounds in a factory magazine. The Glock 17L/34 (competition) also holds 17 rounds.
The Glock 17 (full-size 9mm) holds 17 rounds in a factory magazine. The Glock 19 (compact 9mm) holds 15 rounds in a factory magazine. The Glock 26 (teeny-tiny 9mm) holds 10 rounds in a factory magazine. The Glock 17L/34 (competition) also holds 17 rounds.
There's no Glock with the model number "9", so I assume you mean a 9mm glock. The Glock 17 (full-size 9mm) holds 17 rounds in a factory magazine. The Glock 19 (compact 9mm) holds 15 rounds in a factory magazine. The Glock 26 (teeny-tiny 9mm) holds 10 rounds in a factory magazine. The Glock 17L/34 (competition) also holds 17 rounds. The Glock 18 (Select fire, full size 9mm) holds 33 rounds in a factory magazine. Higher capacity magazines fit and function in lower capacity firearms, for instance the model 26 can use model 17, 19, and 33 magazines.
The Glock 19 is the 9mm with the compact (midsized) frame.
A Glock 19 is a pistol. The Glock 19 is their compact, 9mm, 15 round, pistol.
A Glock 19 is chambered in 9mm. 9mm is one of the most common/popular pistol rounds.
Glock 9MM Model's 17/19
Yes, unless you have swapped the magazine release button to the right side (for left-handed use). Gen3 magazines do not have the notch for a reversed mag release. G17 magazines can be generally used in all 9mm Glock models.
Yes.
515 USD
Glock 17, Glock 18, Glock 19, Glock 26, Glock 34, and, if you count the 9x17/.380 ACP in this running, the Glock 25 and Glock 28.
If you change out the barrel. Yes, it is compatible. It's a drop in barrel. There are no mods needed and it uses the same magazine and firing pin.