The best holsters for the Glock 19 largely depend on individual preferences and needs. However, some popular options among gun owners include the Safariland ALS Concealment Paddle Holster, renowned for its retention system and comfort for everyday carry. Another top choice is the Alien Gear ShapeShift Modular Holster System, appreciated for its versatility and adjustability to fit various carrying styles. Additionally, the Vedder LightTuck Kydex IWB Holster is favored for its slim profile and adjustable cant, making it ideal for concealed carry. For those seeking a combination of durability and functionality, the Bravo Concealment Torsion 3.0 IWB Holster is often recommended, offering excellent retention and comfort for extended wear. Ultimately, the best holsters for Glock 19 will be one that fits securely, provides quick access when needed, and aligns with the user's carrying preferences and lifestyle.