The Glock 19 is popular for a reason. But in actual combat, the 9mm ammo has left something to be desired, which is why the .40 S&W was invented for U.S. officials.
New Gen5 GLOCK models: update of the GLOCK 22, 23 and 27 – The fifth generation and the role of the .40 S&W caliber.40 S&W
3 Glocks Used by Agencies in the U.S. Department of Justice
Glock - Glock 23 rtf2 with gills 1100
Just got my first Glock, a Glock 23 gen 5. Don't see many of these here : r/ Glocks
Factory Glock Training Pistols
Glock 23 Gen 3 Review
BREAKING: New Glock 19 MHS 9mm & Glock 23 MHS .40 S&W Photos -The Firearm Blog
Condering a glock 23 for a carry gun any advice???
Man charged with buying Glock switches that turn pistols to machine guns
Glock 23 Review: Is the .40 S&W Dead? - Pew Pew Tactical
The Glock Model 23
