Can you put two magazines together on a Glock 9 mm?

Yes, you can use a magazine adapter or a dual magazine holder to combine two magazines for a Glock 9mm, allowing for quicker reloading. However, it's important to note that the Glock itself is designed to use one magazine at a time, and attempting to physically attach two magazines together without proper equipment may lead to malfunctions or safety issues. Always prioritize safety and ensure that any modifications or accessories comply with local laws and regulations.