Experience unparalleled durability with the Elite Tactical Systems GLK-18-40 40-Round Glock Magazine, crafted for extreme impact and chemical resistance. This high-capacity magazine seamlessly fits multiple Glock generations, providing versatility and reliability in any situation. Designed to perform in harsh environments, it showcases superior resistance to heat, cold, and UV rays. Fits all generations of Glock 17, 18, 19, 19X, 26, 34, and 45 Extended 40-round capacity Base plates interchangeable with ETS line of 9mm double stack magazines Compatible with a wide variety of Glock extensions Easy disassembly with a specially designed base plate Ergonomically designed floor plate for easy retrieval Lifetime Warranty Enhance your tactical skills with a magazine built to last.